CVE-2025-2775: SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability

CISA Known Exploited Vulnerability (KEV)

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.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://documentation.sysaid.com/docs/24-40-60 ; https://nvd.nist.gov/vuln/detail/CVE-2025-2775

Weakness behind it

CISA records this vulnerability as an instance of CWE-611. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-2775
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog