CVE-2025-2775: SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability
Affects SysAid SysAid On-PremSource CISA KEV
Exploited in the wild · KEV due 12 Aug 2025 · public detection template (Nuclei) · 42% EPSS : apply the vendor's fix or mitigations to SysAid On-Prem now.
Data as of 10/24/2026, 22:16:01 UTC
- Exploitation
Actively exploited – in CISA KEV since 07/22/2025
- KEV deadline
- 08/12/2025 US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 42.6% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Public exploits
- a Nuclei detection templatePublic attack or detection tooling exists; see Public exploits below.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:LWhat to do
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public exploits and detection
Nuclei detection templates
Public tooling indexed from Metasploit Framework, Exploit-DB and ProjectDiscovery nuclei-templates. Its existence raises the odds of exploitation; it does not confirm attacks.
Description
SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.
Weaknesses
- CWE-611Improper Restriction of XML External Entity Reference (opens in a new tab)
Base weaknessOWASP Top 10 A02:2025: Security Misconfiguration (opens in a new tab)
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.