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Vulnerabilities

Vulnerability · CVE-2025-2775

SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability

Published May 7, 2025 · catalog updated Jun 17, 2026 · SysAid SysAid On-Prem

Patch now

CVE-2025-2775 is in the CISA known-exploited catalog, due Aug 12, 2025. Confirm SysAid SysAid On-Prem against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
42.61%
Remediation
Remediation guidance
Affected products
cpe sysaid/sysaid · vendor SysAid SysAid On-Prem · vendor SysAid SysAid On-Prem 0 ≤23.3.40 · vendor SysAid SysAid On-Premise

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. VulnCheck canary evidence. Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sysaid/sysaidversion unspecified
  • vendor SysAid SysAid On-Premversion unspecified
  • vendor SysAid SysAid On-Prem 0 ≤23.3.400 ≤23.3.40
  • vendor SysAid SysAid On-Premiseversion unspecified

How to fix CVE-2025-2775

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-2775 is in the CISA known-exploited catalog, due Aug 12, 2025. Confirm SysAid SysAid On-Prem against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with SysAid SysAid On-Prem 0 ≤23.3.40 0 ≤23.3.40. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-611: XML External Entity (XXE). EPSS 42.61%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 7, 2025 · Catalog

    Detected

    SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.

  2. Jul 22, 2025 · CISA KEV

    Known exploited

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

  3. Aug 12, 2025 · CISA KEV

    Remediation due

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

  4. Jun 17, 2026 · Catalog

    Updated

    SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.

Sources

  • CISA KEVConfirmed exploitationCVE-2025-2775

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2025-2775

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-2775

    30-day exploitation probability 42.6%

    first.org
  • EUVDVulnerability recordEUVD-2025-13878

    SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-2775

    SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2025-2775

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.