SysAid Server Path Traversal Vulnerability
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.
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)13 Nov 2023
- Exploited in EUVD (ENISA)13 Nov 2023
- Used by ransomwareyes
- EPSS above 10 %98.9%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
-
Published
-
Exploitation reported (ENISA)
-
Added to the KEV catalog
-
CISA remediation due date
-
EPSS peak: 98.9%
References
Other exploited vulnerabilities from the same vendor
- CVE-2025-2776SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability8.1 · Background exploitation
- CVE-2025-2775SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability7.4 · Background exploitation