CVE-2025-2776
SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection
CVE-2025-2776 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 65.2%, the 99th percentile. No source names a fixed version.
- Severity
- 9.3 CriticalCVSS 3.1, CVE List
- Exploit chance
- 65.2%EPSS, 99th percentile
- Exploitation
- ExploitedCISA KEV,
- Fixed in
- No fix listedNo source names one
Description
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL 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
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | mrk336/From-EternalBlue-to-CVE-2025-2776-The-Evolution-of-an-SMB-Attack | 2025-08-31 |
| Nuclei | SysAid On-Prem <= 23.3.40 - XML External Entity |
What each source reports
CVE List Score used
SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
- Record
CVE-2025-2776- 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-2025-13875
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
- Record
EUVD-2025-13875- 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-hvrh-gfrr-fgc9
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 Server URL processing functionality, allowing for administrator account takeover and file read primitives.
- Record
GHSA-hvrh-gfrr-fgc9- 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 KEVNo 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 Server URL processing functionality, allowing for administrator account takeover and file read primitives.
- Record
CVE-2025-2776- 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 Server URL processing functionality, allowing for administrator account takeover and file read primitives.
- Record
CVE-2025-2776- 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
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
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.