CVE-2025-2776
Published: July 22, 2025
Official Description
SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
CISA KEV Advisory
SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability
SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This high-severity vulnerability in SysAid On-Prem involves an improper restriction of XML external entity references during Server URL processing. This flaw can lead to administrator account takeover and arbitrary file read primitives. The high EPSS score and inclusion in CISA's KEV indicate that this vulnerability has been actively exploited and poses a significant risk.
This vulnerability is actively being exploited in the wild. It is remotely exploitable, allowing for administrator account takeover and file access.
Organizations using SysAid On-Prem should apply all available security updates immediately. Implement strict input validation for Server URL processing and restrict XML external entity references.
Technical Analysis
CVE-2025-2776 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2025-2776 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-2776 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1