Incident Score: Analysis & Impact (ROU1783621569)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of RoundCube DOO's Vulnerability and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts RoundCube DOO Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the RoundCube DOO breach identified under incident ID ROU1783621569.
The analysis begins with a detailed overview of RoundCube DOO's information like the linkedin page: https://www.linkedin.com/company/roundcubedoo, the number of followers: 163, the industry type: Software Development and the number of employees: 10 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 747 and after the incident was 742 with a difference of -5 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on RoundCube DOO and their customers.
Roundcube recently reported "Roundcube Patches Critical Zero-Click XSS Vulnerabilities in Version 1.7", a noteworthy cybersecurity incident.
Roundcube has released version 1.7 to address six security vulnerabilities, including two critical stored cross-site scripting (XSS) flaws that enable zero-click exploitation.
The disruption is felt across the environment, affecting Roundcube webmail instances.
In response, moved swiftly to contain the threat with measures like Release of patched version (1.7), and began remediation that includes Patching to Roundcube 1.7, full data backup recommended before patching, and stakeholders are being briefed through Urged administrators to prioritize the update for externally exposed instances.
The case underscores how Vulnerabilities patched, teams are taking away lessons such as Webmail platforms are prime targets for credential theft and session hijacking; zero-click vulnerabilities require immediate patching, and recommending next steps like Prioritize patching to Roundcube 1.7, especially for externally exposed instances. Conduct full data backups before applying updates, with advisories going out to stakeholders covering Administrators urged to update to Roundcube 1.7 immediately.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with high confidence (90%), with evidence including roundcube webmail instances...externally exposed instances, and zero-click exploitation via malicious MIME type and Phishing: Spearphishing Attachment (T1566.001) with high confidence (95%), with evidence including malicious MIME type in an email attachment, and payload triggers when user views attachment warning page. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with high confidence (90%), with evidence including execute arbitrary JavaScript by crafting a malicious MIME type, and silently executing malicious scripts when victim reads email and JavaScript (T1059.007) with high confidence (90%), with evidence including execute arbitrary JavaScript...triggering the payload, and malicious scripts when victim reads email in plain-text mode. Under the Credential Access tactic, the analysis identified Steal Web Session Cookie (T1539) with moderate to high confidence (85%), with evidence including session hijacking and unauthorized mailbox access, and zero-click nature of the XSS flaws and Credentials In Files (T1552.005) with moderate to high confidence (70%), with evidence including webmail platforms as prime targets for credential theft, and oAuth password claim retrieval errors. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), with evidence including unauthorized mailbox access, and session hijacking. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (75%), with evidence including malicious MIME type in an email attachment, and plain-text rendering engine silently executes scripts. Under the Impact tactic, the analysis identified Endpoint Denial of Service: Application or System Exploitation (T1499.004) with moderate to high confidence (80%), with evidence including tNEF decoder infinite loop (DoS), and doS vulnerability in compressed-RTF attachments. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- RoundCube DOO Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/roundcubedoo/incident/ROU1783621569
- RoundCube DOO CyberSecurity Rating page: https://www.rankiteo.com/company/roundcubedoo
- RoundCube DOO Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/rou1783621569-roundcube-vulnerability-july-2026/
- RoundCube DOO CyberSecurity Score History: https://www.rankiteo.com/company/roundcubedoo/history
- RoundCube DOO CyberSecurity Incident Source: https://cybersecuritynews.com/roundcube-0-click-vulnerability/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf