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Fencer Vulns
critical 9.3

CVE-2025-2777 in the critical feed json

SysAid On-Prem <= 23.3.40 lshw Proceessing XML External Entity Injection

published 2025-05-07 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-13877

cvss
9.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
72.9%
EPSS 72.9% chance of exploitation in 30 days, percentile 99.4%
public exploits
0
none known, plus a Nuclei check

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

72.85% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template SysAid On-Prem <= 23.3.40 - XML External Entity nuclei detection template
  • labs.watchtowr.com https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • SysAid SysAid On-Prem

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.