Vulnerability · CVE-2025-2777
sysaid sysaid Improper Restriction of XML External Entity Reference
Published May 7, 2025 · catalog updated Feb 26, 2026 · SysAid SysAid On-Prem
Patch now
CVE-2025-2777 is in the CISA known-exploited catalog. 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
- 72.66%
- Remediation
- Remediation guidance
- Affected products
- vendor SysAid SysAid On-Prem 0 ≤23.3.40 · vendor SysAid SysAid On-Premise
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw 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.
- vendor SysAid SysAid On-Prem 0 ≤23.3.400 ≤23.3.40
- vendor SysAid SysAid On-Premiseversion unspecified
How to fix CVE-2025-2777
Recommended remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-2777 is in the CISA known-exploited catalog. 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 remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
What should an analyst verify?
No weakness class is stored. EPSS 72.66%. 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.
May 14, 2025 · VulnCheck KEV
Detected
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and file read primitives. VulnCheck canary evidence. Initial-access exploit intelligence.
May 14, 2025 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Feb 26, 2026 · EUVD
Updated
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and file read primitives.
Sources
- CVE.orgVulnerability recordCVE-2025-2777
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-2777
30-day exploitation probability 72.7%
first.org - EUVDVulnerability recordEUVD-2025-13877
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and file read primitives.
euvd.enisa.europa.eu - VulnCheck KEVConfirmed exploitationCVE-2025-2777
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and file read primitives.
vulncheck.com
References
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- EUVD reference · documentation.sysaid.com
- EUVD record · euvd.enisa.europa.eu
- EUVD reference · labs.watchtowr.com
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.