CVE-2025-2775: SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.
CSIRTS triage
- What
- SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability that allows for administrator account takeover.
- Who is affected
- Deployments of SysAid On-Prem that are affected by this vulnerability.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security patch provided by SysAid.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-2775
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2025-2775Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-2775 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for SysAid On-Prem Improper
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2025-2776: SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerabilitycisa-kev · 2025-07-22
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