# CVE-2025-2776: SysAid On-Prem - XXE

> Live exploitation tracking for CVE-2025-2776 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2025-2776

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 9.3
- **Public exploit available:** Yes
- **Affected products:** SysAid On-Prem
- **Weaknesses:** CWE-611 (Improper Restriction of XML External Entity Reference)
- **Tags:** enterprise_software

## 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.

## CrowdSec analysis

[CVE-2025-2776](https://euvd.enisa.europa.eu/vulnerability/CVE-2025-2776) is a significant vulnerability in SysAid On-Prem that allows unauthenticated attackers to exploit XML External Entity (XXE) flaws within the Server URL processing functionality. Successful exploitation may lead to administrator account takeover or unauthorized file retrieval from the system.

CrowdSec has been tracking this vulnerability and its exploits since 1st of June 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2025-2776 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations.
CrowdSec network telemetry also shows that exploitation of CVE-2025-2776 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Threat actors are primarily targeting URLs containing `/mdm/serverurl` as part of their exploitation attempts.

## Timeline

- 2025-05-07: CVE Published. CVE-2025-2776 is published to NVD.
- 2025-06-01: Rule Released. CrowdSec releases a rule to detect CVE-2025-2776 exploitation attempts against the CrowdSec Network.
- 2025-06-05: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2025-2776 for the first time.
- 2025-07-22: CISA KEV. CVE-2025-2776 is added to the Known Exploited Vulnerabilities catalog by CISA.
- 2025-08-12: CISA Remediation Deadline. Expiration of the CISA remediation deadline as described in [BOD 22-01](https://www.cisa.gov/news-events/directives/bod-22-01-reducing-significant-risk-known-exploited-vulnerabilities).

## References

- https://documentation.sysaid.com/docs/24-40-60
- https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-2776.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2025-2776) follows observed exploitation activity for CVE-2025-2776. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.