Incident Score: Analysis & Impact (SPL1773304071)
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 Splunk'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 Splunk 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 Splunk breach identified under incident ID SPL1773304071.
The analysis begins with a detailed overview of Splunk's information like the linkedin page: https://www.linkedin.com/company/splunk, the number of followers: 772636, the industry type: Software Development and the number of employees: 9686 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 785 and after the incident was 781 with a difference of -4 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 Splunk and their customers.
Splunk Enterprise recently reported "High-Severity RCE Vulnerability in Splunk Enterprise and Cloud Platform Disclosed", a noteworthy cybersecurity incident.
A critical Remote Command Execution (RCE) vulnerability, tracked as CVE-2026-20163 (CVSS 8.0), has been identified in Splunk Enterprise and Splunk Cloud Platform, exposing systems to arbitrary command execution risks.
The disruption is felt across the environment, affecting Full server takeover possible.
In response, moved swiftly to contain the threat with measures like Patches released for affected versions, and began remediation that includes Upgrade to patched versions (Splunk Enterprise 10.0.4, 9.4.9, 9.3.10; Splunk Cloud Platform instances patched automatically).
The case underscores how and recommending next steps like Administrators should upgrade to the latest patched versions of Splunk Enterprise and ensure Splunk Cloud Platform instances are updated.
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 rCE vulnerability in Splunk Enterprise and Cloud Platform REST API endpoint and Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating exploitation requires a user account with the edit_cmd privilege. Under the Execution tactic, the analysis identified Command and Scripting Interpreter (T1059) with high confidence (90%), supported by evidence indicating arbitrary shell command execution via unarchive_cmd parameter. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate to high confidence (70%), supported by evidence indicating compromised admin account could enable full server takeover. Under the Defense Evasion tactic, the analysis identified Exploit Public-Facing Application (T1190) with moderate to high confidence (80%), supported by evidence indicating improper input neutralization (CWE-77) in REST API endpoint. Under the Impact tactic, the analysis identified Resource Hijacking (T1496) with moderate to high confidence (70%), supported by evidence indicating full server takeover possible via compromised admin account. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Splunk Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/splunk/incident/SPL1773304071
- Splunk CyberSecurity Rating page: https://www.rankiteo.com/company/splunk
- Splunk Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/spl1773304071-splunk-vulnerability-march-2026/
- Splunk CyberSecurity Score History: https://www.rankiteo.com/company/splunk/history
- Splunk CyberSecurity Incident Source: https://gbhackers.com/splunk-rce-vulnerability-arbitrary-shell-commands/
- 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