CVE-2025-2775
SysAid On-Prem <= 23.3.40 Checkin Proceessing XML External Entity Injection
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
SysAid On-Prem <= 23.3.40 Checkin Proceessing XML External Entity Injection
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.
- Record
CVE-2025-2775- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-611
- Updated
- 2026-11-02
EUVDEUVD-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.
- Record
EUVD-2025-13878- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g3m4-2wr6-2q64
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE)...
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.
- Record
GHSA-g3m4-2wr6-2q64- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-611
- Updated
- 2026-11-02
CISA KEV No score
SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability
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.
- Record
CVE-2025-2775- Weakness
- CWE-611
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-2775- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | watchtowrlabs/watchTowr-vs-SysAid-PreAuth-RCE-Chain | 2025-03-28 |
| Nuclei | SysAid On-Prem <= 23.3.40 - XML External Entity |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-2775 is a critical vulnerability (CVSS 9.3) in Sysaid, published May 7, 2025. CISA lists it as known to be exploited, since July 22, 2025. EUVD reports exploitation since July 22, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 42.6%, the 98th percentile. No source names a fixed version.