CVE-2025-2775
HighExploitedPublic exploitSysAid 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.
Published May 7, 2025 · Updated Nov 19, 2025
Key Facts
Patch immediately- CVE-2025-2775 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Sysaid, SysAid On-Prem.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 19, 2025. Public exploit code is available.
- EPSS estimates a 43% probability of exploitation in the next 30 days.
- Fixed versions are available, including Sysaid <=23.3.40, Sysaid 23.3.40.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
43%
Higher than 98.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-2775 brief as a PDF
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Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jul 22, 2025 | Aug 12, 2025 | Not reported |
| Industry KEV feed | May 19, 2025 | Aug 12, 2025 | Not reported |
| CIRCL KEV | May 19, 2025 | Aug 12, 2025 | Not reported |
| ENISA EUVD | Jul 22, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SysaidSysaid | See advisory | 23.3.40 |
| SysAid On-Prem | See advisory | n/a |
Patched Releases
Sysaid
<=23.3.40
Timeline
Publicly disclosed
May 7, 2025
Added to Industry KEV feed
May 19, 2025
Added to CIRCL KEV
May 19, 2025
Added to CISA KEV
Jul 22, 2025
Added to ENISA EUVD
Jul 22, 2025
Last updated
Nov 19, 2025
Weakness Type
- CWE-611 Improper Restriction of XML External Entity Reference
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Sysaid; SysAid On-Prem. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 19, 2025.
Yes. It was added on Jul 22, 2025 with a federal remediation due date of Aug 12, 2025.
Public exploit code is available.
Fixed versions are available, including Sysaid <=23.3.40, Sysaid 23.3.40.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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