SysAid Server Path Traversal Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-11-13
• Known to be used in ransomware campaigns
• EPSS: 99% chance of exploitation in the next 30 days (higher than 100% of CVEs)
• Critical severity: CVSS 9.8

[ Description ]Official description

In SysAid On-Premise before 23.3.36, a path traversal vulnerability leads to code execution after an attacker writes a file to the Tomcat webroot, as exploited in the wild in November 2023.

CISA: SysAid Server (on-premises version) contains a path traversal vulnerability that leads to code execution.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 4 Dec 2023): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• documentation.sysaid.com/docs/latest-version-installation-filesProduct
• documentation.sysaid.com/docs/on-premise-security-enhancements-2023Release NotesVendor Advisory
• www.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notificationExploitVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource