Critical (9.8) in SysAid SysAid On-Prem. In CISA KEV since 2025-07-22. EPSS 65% chance of exploitation in the next 30 days.
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
65% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)