SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection
Affects SysAid On-Prem up to and including 23.3.40, through the /mdm/serverurl endpoint, which the advisory identifies as an XML External Entity (XXE) flaw. No fixed version is listed in the checked facts.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
SysAid On-Prem, an on-premises IT service management application, is affected by an XML External Entity injection flaw in how it processes server URL requests. An attacker without logging in could exploit this to read files from the server and take over administrator accounts.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- SysAid SysAid On-Prem
through 23.3.40
References 2
documentation.sysaid.com
labs.watchtowr.com
Questions about CVE-2025-2776
What does this mean?
The /mdm/serverurl endpoint processes XML in a way that lets external entities be resolved, a flaw called XML External Entity (XXE) injection. The CVE description says it can lead to file read and administrator account takeover, and the advisory describes a chain of XXE flaws that allows pre-authenticated remote command execution as SYSTEM.Source: labs.watchtowr.com
Am I affected, and how do I check?
The affected range runs from the earliest listed release through SysAid On-Prem 23.3.40, which is the version the advisory tested. Compare the installed SysAid On-Prem version with 23.3.40 to see whether it falls in that range. The reported request is a POST to /mdm/serverurl.Source: labs.watchtowr.com
What should I do about it?
The checked facts do not name a fixed version or an upgrade target. Check the vendor's advisory for a fixed release before deciding what to install.Source: labs.watchtowr.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-07-22, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data
What if there's no patch?
The checked facts do not list a workaround. Follow the vendor's advisory for any mitigation guidance while no fix is available.Source: labs.watchtowr.com