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CVE-2025-2776

9.8, critical Known exploited

SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
65% higher than 99.2% of scored CVEs
Exploitation
Confirmed in the wild
Published
7 May 2025a year ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 22 Jul 2025. US federal agencies had to remediate by 12 Aug 2025, a deadline that has passed.

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.

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.

Details

Vendor
SysAid
Product
SysAid On-Prem
Weakness
CWE-611 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
disclosure@vulncheck.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References 3

Exploit code 1

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other SysAid CVEs

Every SysAid CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2025-2775 SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability KEV EPSS 43% 7.5, high
  • CVE-2023-47246 SysAid Server Path Traversal Vulnerability KEV EPSS 99% 9.8, critical

Beyond this page

Is CVE-2025-2776 in your network?

This page tells you how dangerous CVE-2025-2776 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2025-2776 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2025-2776 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.