Mozilla
Company Details
Linkedin ID:
mozilla-corporation
Website:
Employees number:
1,784
Number of followers:
421,687
NAICS:
5112
Industry Type:
Homepage:
mozilla.org
IP Addresses:
0
Company ID:
MOZ_3090414
Scan Status:
In-progress
Mozilla Company CyberSecurity Posture
mozilla.org
A lot of companies say they’re “mission-driven.” Our unique corporate structure guarantees that every decision we make upholds our mission: to ensure the internet remains open and accessible. Beholden to neither shareholders nor investors, Mozilla Corporation is wholly owned by the not-for-profit Mozilla Foundation. Along with our communities of 20,000+ contributors and collaborators, Mozilla Corporation’s staff designs, builds, and distributes software that allows people to enjoy the internet on their own terms. Our flagship product — the Firefox browser — has expanded into a family of products that protects users and alerts them of risks, safeguards passwords and provides a secure VPN (with more to come). By maintaining a safe, open internet we're helping humanity, while also helping the individual humans employed here to reach their personal and professional goals. With a relatively small team serving hundreds of millions of people, a culture of exploration, and a commitment to mentorship, opportunities abound to learn and grow at Mozilla.
Mozilla A.I CyberSecurity Scoring
Mozilla Risk Score (AI oriented)Between 750 and 799
Mozilla
Updated:
- Powered by our proprietary A.I cyber incident model
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Mozilla Global Score (TPRM)XXXX
Mozilla
- Instant access to detailed risk factors
- Benchmark vs. industry & size peers
- Vulnerabilities
- Findings
Mozilla Company CyberSecurity News & History
Past Incidents
2
Attack Types
1
Mozilla
Vulnerability
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: The Russian RomCom group targeted Mozilla's Firefox and Tor Browser with zero-day vulnerabilities, compromising user systems through a sophisticated chain of exploits that required no user interaction. Attackers hosted malicious websites that redirected victims and downloaded the RomCom backdoor, leading to up to 250 victims per country between October 10 and November 4, 2024. The zero-day vulnerabilities CVE-2024-9680 and CVE-2024-49039 exploited animation timelines and Task Scheduler privilege escalation flaws respectively. The attackers also employed advanced techniques such as Reflective DLL Injection and backdoors. Mozilla responded promptly with a fix within 25 hours, demonstrating their commitment to security.
Mozilla
Vulnerability
Rankiteo Explanation
Attack threatening the organization’s existence
Description: Mozilla released Firefox 136.0.4 to address a critical security vulnerability tracked as CVE-2025-2857, an error leading to sandbox escapes on Windows systems. This flaw, discovered by Mozilla developers, could potentially be similar to a Chrome zero-day exploited earlier. While the flaw was promptly patched in the stated Firefox versions, the lack of technical details provided by Mozilla implies the risk was significant. Previously, Firefox faced zero-days exploited in targeted cyber-espionage campaigns and by cybercrime groups, emphasizing the ongoing battle against sophisticated threats.
Mozilla Company Scoring based on AI Models
Cyber Incidents Likelihood 3 - 6 - 9 months
A.I Risk Score Likelihood 3 - 6 - 9 months
Underwriter Stats for Mozilla
Incidents vs Software Development Industry Average (This Year)
Mozilla has 132.56% more incidents than the average of same-industry companies with at least one recorded incident.
Incidents vs All-Companies Average (This Year)
Mozilla has 56.25% more incidents than the average of all companies with at least one recorded incident.
Incident Types Mozilla vs Software Development Industry Avg (This Year)
Mozilla reported 1 incidents this year: 0 cyber attacks, 0 ransomware, 1 vulnerabilities, 0 data breaches, compared to industry peers with at least 1 incident.
Incident History — Mozilla (X = Date, Y = Severity)
Mozilla cyber incidents detection timeline including parent company and subsidiaries
Mozilla Company Subsidiaries
A lot of companies say they’re “mission-driven.” Our unique corporate structure guarantees that every decision we make upholds our mission: to ensure the internet remains open and accessible. Beholden to neither shareholders nor investors, Mozilla Corporation is wholly owned by the not-for-profit Mozilla Foundation. Along with our communities of 20,000+ contributors and collaborators, Mozilla Corporation’s staff designs, builds, and distributes software that allows people to enjoy the internet on their own terms. Our flagship product — the Firefox browser — has expanded into a family of products that protects users and alerts them of risks, safeguards passwords and provides a secure VPN (with more to come). By maintaining a safe, open internet we're helping humanity, while also helping the individual humans employed here to reach their personal and professional goals. With a relatively small team serving hundreds of millions of people, a culture of exploration, and a commitment to mentorship, opportunities abound to learn and grow at Mozilla.
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Mozilla CyberSecurity News
November 26, 2025 01:40 PM
The Twenty-Five Hour Gap: Inside Mozilla’s High-Stakes Race to Patch a Critical Zero-Day Threatening 180 Million Users
In the high-stakes theater of browser security, the window between discovery and disaster is often measured in days or weeks.
November 11, 2025 08:00 AM
Firefox Releases Security Update to Fix Multiple Vulnerabilities Allowing Arbitrary Code Execution
Mozilla released Firefox 145 on November 11, 2025, to address critical security vulnerabilities that could allow attackers to execute arbitrary code on...
November 11, 2025 08:00 AM
Firefox Releases Security Update to Fix Multiple Vulnerabilities Allowing Arbitrary Code Execution
Mozilla has rolled out Firefox 145, addressing a series of high-severity vulnerabilities that could allow attackers to execute arbitrary...
October 29, 2025 07:00 AM
Mozilla Mandates Transparency for Firefox Extension Data Collection
This transparency requirement represents Mozilla's effort to enhance user awareness regarding how browser extensions handle sensitive...
October 29, 2025 07:00 AM
Mozilla Enforces Transparency Rules for Data Collection in New Firefox Extensions
Mozilla announced a transparency initiative for its Firefox browser ecosystem, mandatory data disclosure requirements for extension...
October 28, 2025 07:00 AM
Mozilla Wants All New Firefox Extensions to Disclose Data Collection Policies
Mozilla Firefox extensions, mandating that all new browser add-ons disclose their data collection practices to users before installation.
October 07, 2025 07:00 AM
U.S. CISA adds Oracle, Mozilla, Microsoft Windows, Linux Kernel, and Microsoft IE flaws to its Known Explo...
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Oracle, Mozilla, Linux Kernel, Microsoft Windows, and Microsoft IE flaws...
October 05, 2025 07:00 AM
CERT-In warns of flaws in Google Chrome and Mozilla Firefox: Update your browser to avoid serious security risks
India's cybersecurity agency CERT-In warns users to update Google Chrome and Mozilla Firefox immediately. Critical vulnerabilities could...
September 26, 2025 07:00 AM
New macOS XCSSET Variant Targets Firefox with Clipper and Persistence Module
Cybersecurity researchers have discovered an updated version of a known Apple macOS malware called XCSSET that has been observed in limited...
Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
Mozilla CyberSecurity History Information
Official Website of Mozilla
The official website of Mozilla is http://www.mozilla.org.
Mozilla’s AI-Generated Cybersecurity Score
According to Rankiteo, Mozilla’s AI-generated cybersecurity score is 766, reflecting their Fair security posture.
How many security badges does Mozilla’ have ?
According to Rankiteo, Mozilla currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
Does Mozilla have SOC 2 Type 1 certification ?
According to Rankiteo, Mozilla is not certified under SOC 2 Type 1.
Does Mozilla have SOC 2 Type 2 certification ?
According to Rankiteo, Mozilla does not hold a SOC 2 Type 2 certification.
Does Mozilla comply with GDPR ?
According to Rankiteo, Mozilla is not listed as GDPR compliant.
Does Mozilla have PCI DSS certification ?
According to Rankiteo, Mozilla does not currently maintain PCI DSS compliance.
Does Mozilla comply with HIPAA ?
According to Rankiteo, Mozilla is not compliant with HIPAA regulations.
Does Mozilla have ISO 27001 certification ?
According to Rankiteo,Mozilla is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Industry Classification of Mozilla
Mozilla operates primarily in the Software Development industry.
Number of Employees at Mozilla
Mozilla employs approximately 1,784 people worldwide.
Subsidiaries Owned by Mozilla
Mozilla presently has no subsidiaries across any sectors.
Mozilla’s LinkedIn Followers
Mozilla’s official LinkedIn profile has approximately 421,687 followers.
NAICS Classification of Mozilla
Mozilla is classified under the NAICS code 5112, which corresponds to Software Publishers.
Mozilla’s Presence on Crunchbase
Yes, Mozilla has an official profile on Crunchbase, which can be accessed here: https://www.crunchbase.com/organization/mozilla.
Mozilla’s Presence on LinkedIn
Yes, Mozilla maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/mozilla-corporation.
Cybersecurity Incidents Involving Mozilla
As of December 07, 2025, Rankiteo reports that Mozilla has experienced 2 cybersecurity incidents.
Number of Peer and Competitor Companies
Mozilla has an estimated 27,337 peer or competitor companies worldwide.
What types of cybersecurity incidents have occurred at Mozilla ?
Incident Types: The types of cybersecurity incidents that have occurred include Vulnerability.
How does Mozilla detect and respond to cybersecurity incidents ?
Detection and Response: The company detects and responds to cybersecurity incidents through an remediation measures with patch released (firefox 136.0.4)..
Incident Details
Can you provide details on each incident ?
Title: RomCom Group Zero-Day Exploits Against Mozilla Firefox and Tor Browser
Description: The Russian RomCom group targeted Mozilla's Firefox and Tor Browser with zero-day vulnerabilities, compromising user systems through a sophisticated chain of exploits that required no user interaction. Attackers hosted malicious websites that redirected victims and downloaded the RomCom backdoor, leading to up to 250 victims per country between October 10 and November 4, 2024. The zero-day vulnerabilities CVE-2024-9680 and CVE-2024-49039 exploited animation timelines and Task Scheduler privilege escalation flaws respectively. The attackers also employed advanced techniques such as Reflective DLL Injection and backdoors. Mozilla responded promptly with a fix within 25 hours, demonstrating their commitment to security.
Date Detected: 2024-10-10
Date Resolved: 2024-11-05
Type: Zero-Day Exploit
Attack Vector: Malicious Websites, Reflective DLL Injection, Backdoors
Vulnerability Exploited: CVE-2024-9680CVE-2024-49039
Threat Actor: RomCom Group
Title: Mozilla Firefox Security Vulnerability CVE-2025-2857
Description: Mozilla released Firefox 136.0.4 to address a critical security vulnerability tracked as CVE-2025-2857, an error leading to sandbox escapes on Windows systems. This flaw, discovered by Mozilla developers, could potentially be similar to a Chrome zero-day exploited earlier. While the flaw was promptly patched in the stated Firefox versions, the lack of technical details provided by Mozilla implies the risk was significant. Previously, Firefox faced zero-days exploited in targeted cyber-espionage campaigns and by cybercrime groups, emphasizing the ongoing battle against sophisticated threats.
Type: Zero-day Vulnerability
Attack Vector: Sandbox escape on Windows systems
Vulnerability Exploited: CVE-2025-2857
What are the most common types of attacks the company has faced ?
Common Attack Types: The most common types of attacks the company has faced is Vulnerability.
How does the company identify the attack vectors used in incidents ?
Identification of Attack Vectors: The company identifies the attack vectors used in incidents through Malicious Websites.
Impact of the Incidents
What was the impact of each incident ?
Incident : Zero-Day Exploit MOZ002120424
Systems Affected: FirefoxTor Browser
Incident : Zero-day Vulnerability MOZ627032725
Systems Affected: Windows systems running Firefox
Which entities were affected by each incident ?
Incident : Zero-Day Exploit MOZ002120424
Entity Name: Mozilla
Entity Type: Organization
Industry: Software
Customers Affected: Up to 250 victims per country
Incident : Zero-day Vulnerability MOZ627032725
Entity Name: Mozilla
Entity Type: Software Company
Industry: Technology
Response to the Incidents
What measures were taken in response to each incident ?
Incident : Zero-day Vulnerability MOZ627032725
Remediation Measures: Patch released (Firefox 136.0.4)
Data Breach Information
What measures does the company take to prevent data exfiltration ?
Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: Patch released (Firefox 136.0.4).
Initial Access Broker
How did the initial access broker gain entry for each incident ?
Incident : Zero-Day Exploit MOZ002120424
Entry Point: Malicious Websites
Backdoors Established: RomCom Backdoor
Additional Questions
General Information
Who was the attacking group in the last incident ?
Last Attacking Group: The attacking group in the last incident was an RomCom Group.
Incident Details
What was the most recent incident detected ?
Most Recent Incident Detected: The most recent incident detected was on 2024-10-10.
What was the most recent incident resolved ?
Most Recent Incident Resolved: The most recent incident resolved was on 2024-11-05.
Impact of the Incidents
What was the most significant system affected in an incident ?
Most Significant System Affected: The most significant system affected in an incident was FirefoxTor Browser and .
Initial Access Broker
What was the most recent entry point used by an initial access broker ?
Most Recent Entry Point: The most recent entry point used by an initial access broker was an Malicious Websites.
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Latest Global CVEs (Not Company-Specific)
Description
HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.4, some of HedgeDoc's OAuth2 endpoints for social login providers such as Google, GitHub, GitLab, Facebook or Dropbox lack CSRF protection, since they don't send a state parameter and verify the response using this parameter. This vulnerability is fixed in 1.10.4.
Risk Information
cvss3
Base: 3.7
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Description
Langflow versions up to and including 1.6.9 contain a chained vulnerability that enables account takeover and remote code execution. An overly permissive CORS configuration (allow_origins='*' with allow_credentials=True) combined with a refresh token cookie configured as SameSite=None allows a malicious webpage to perform cross-origin requests that include credentials and successfully call the refresh endpoint. An attacker-controlled origin can therefore obtain fresh access_token / refresh_token pairs for a victim session. Obtained tokens permit access to authenticated endpoints — including built-in code-execution functionality — allowing the attacker to execute arbitrary code and achieve full system compromise.
Risk Information
cvss4
Base: 9.4
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
A vulnerability was detected in xerrors Yuxi-Know up to 0.4.0. This vulnerability affects the function OtherEmbedding.aencode of the file /src/models/embed.py. Performing manipulation of the argument health_url results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may be used. The patch is named 0ff771dc1933d5a6b78f804115e78a7d8625c3f3. To fix this issue, it is recommended to deploy a patch. The vendor responded with a vulnerability confirmation and a list of security measures they have established already (e.g. disabled URL parsing, disabled URL upload mode, removed URL-to-markdown conversion).
Risk Information
cvss2
Base: 5.8
Severity: LOW
AV:N/AC:L/Au:M/C:P/I:P/A:P
cvss3
Base: 4.7
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
cvss4
Base: 5.1
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
A security vulnerability has been detected in Rarlab RAR App up to 7.11 Build 127 on Android. This affects an unknown part of the component com.rarlab.rar. Such manipulation leads to path traversal. It is possible to launch the attack remotely. Attacks of this nature are highly complex. It is indicated that the exploitability is difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 7.20 build 128 is able to mitigate this issue. You should upgrade the affected component. The vendor responded very professional: "This is the real vulnerability affecting RAR for Android only. WinRAR and Unix RAR versions are not affected. We already fixed it in RAR for Android 7.20 build 128 and we publicly mentioned it in that version changelog. (...) To avoid confusion among users, it would be useful if such disclosure emphasizes that it is RAR for Android only issue and WinRAR isn't affected."
Risk Information
cvss2
Base: 5.1
Severity: HIGH
AV:N/AC:H/Au:N/C:P/I:P/A:P
cvss3
Base: 5.0
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
cvss4
Base: 2.3
Severity: HIGH
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
A weakness has been identified in ZSPACE Q2C NAS up to 1.1.0210050. Affected by this issue is the function zfilev2_api.OpenSafe of the file /v2/file/safe/open of the component HTTP POST Request Handler. This manipulation of the argument safe_dir causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
Risk Information
cvss2
Base: 9.0
Severity: LOW
AV:N/AC:L/Au:S/C:C/I:C/A:C
cvss3
Base: 8.8
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
cvss4
Base: 7.4
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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Incident
Finding
Grade
Digital Assets
Every week, Rankiteo analyzes billions of signals to give organizations a sharper, faster view of emerging risks. With deeper, more actionable intelligence at their fingertips, security teams can outpace threat actors, respond instantly to Zero-Day attacks, and dramatically shrink their risk exposure window.
These are some of the factors we use to calculate the overall score:
Network Security
Identify exposed access points, detect misconfigured SSL certificates, and uncover vulnerabilities across the network infrastructure.
SBOM (Software Bill of Materials)
Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.
CMDB (Configuration Management Database)
Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.
Threat Intelligence
Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.
Rankiteo is a unified scoring and risk platform that analyzes billions of signals weekly to help organizations gain faster, more actionable insights into emerging threats. Empowering teams to outpace adversaries and reduce exposure.
