Incident Score: Analysis & Impact (CIS1775493782)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Cisco'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 Cisco 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 Cisco breach identified under incident ID CIS1775493782.
The analysis begins with a detailed overview of Cisco's information like the linkedin page: https://www.linkedin.com/company/cisco, the number of followers: 7281720, the industry type: Software Development and the number of employees: 95370 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 329 and after the incident was 328 with a difference of -1 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 Cisco and their customers.
On 24 April 2024, Cisco disclosed Zero-Day Exploit issues under the banner "Critical Zero-Day Exploit in Progress: Cisco ASA and FTD Devices Under Active Attack".
A severe zero-day vulnerability in Cisco’s Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) software is being actively exploited in the wild, with threat actors targeting unpatched systems to gain unauthorized access.
The disruption is felt across the environment, affecting Cisco ASA and FTD devices, and exposing Potential data exfiltration.
In response, moved swiftly to contain the threat with measures like Patches released (ASA 9.18.4.15 and FTD 7.2.5), disabling web services on affected interfaces, and began remediation that includes Software updates, temporary workarounds, and stakeholders are being briefed through Public advisory and patch release.
The case underscores how Ongoing, and recommending next steps like Apply patches immediately, disable web services on affected interfaces if patches cannot be applied, with advisories going out to stakeholders covering Cisco has urged organizations to apply patches immediately due to circulating PoC exploits.
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%), supported by evidence indicating flaw...allows attackers to execute arbitrary code remotely by sending crafted packets. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with high confidence (90%), supported by evidence indicating execute arbitrary code remotely...without user interaction. Under the Persistence tactic, the analysis identified External Remote Services (T1133) with moderate to high confidence (70%), supported by evidence indicating full control over vulnerable devices, potentially leading to lateral movement. Under the Lateral Movement tactic, the analysis identified Exploitation of Remote Services (T1210) with moderate to high confidence (80%), supported by evidence indicating lateral movement...after gaining full control over vulnerable devices. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (70%), supported by evidence indicating potential data exfiltration...after successful exploitation. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating potential data exfiltration...after successful exploitation. Under the Impact tactic, the analysis identified Endpoint Denial of Service (T1499) with moderate confidence (60%), supported by evidence indicating network disruption...after successful exploitation. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Cisco Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/cisco/incident/CIS1775493782
- Cisco CyberSecurity Rating page: https://www.rankiteo.com/company/cisco
- Cisco Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/cis1775493782-cisco-vulnerability-april-2026/
- Cisco CyberSecurity Score History: https://www.rankiteo.com/company/cisco/history
- Cisco CyberSecurity Incident Source: https://www.msn.com/en-us/news/us/class-action-lawsuit-filed-against-nike-over-data-breach/ar-AA1ZPdAB?uxmode=ruby
- 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