Known Exploited Vulnerability
9.8
CRITICAL
CVE-2025-2776
SysAid On-Prem Improper Restriction of XML Externa - [Actively Exploited]
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.

INFO

Published Date :

May 7, 2025, 3:15 p.m.

Last Modified :

July 23, 2025, 1 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

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.

Notes :

https://documentation.sysaid.com/docs/24-40-60 ; https://nvd.nist.gov/vuln/detail/CVE-2025-2776

Public PoC/Exploit Available at Github

CVE-2025-2776 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2025-2776 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sysaid sysaid
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-2776.

URL Resource
https://documentation.sysaid.com/docs/24-40-60 Release Notes
https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/ Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
0xgh057r3c0n/SysAid-PreAuth-RCE-Chain

This is a Pre-Authentication Remote Code Execution (RCE) exploit chain targeting SysAid On-Premise servers running on Windows.

Python

Updated: 1 week, 3 days ago
0 stars 0 fork 0 watcher
Born at : July 26, 2025, 10:14 a.m. This repo has been linked 4 different CVEs too.
Profile Photo
watchtowrlabs/watchTowr-vs-SysAid-PreAuth-RCE-Chain

PoC for SysAid PreAuth RCE Chain (CVE-2025-2775, CVE-2025-2776, CVE-2025-2777, CVE-2025-2778)

Python

Updated: 1 month, 4 weeks ago
7 stars 2 fork 2 watcher
Born at : March 28, 2025, 11:07 a.m. This repo has been linked 4 different CVEs too.
Profile Photo
DevGreick/devgreick

None

Python

Updated: 20 hours, 15 minutes ago
0 stars 0 fork 0 watcher
Born at : Oct. 29, 2024, 8:10 p.m. This repo has been linked 11 different CVEs too.
Profile Photo
ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 1 week ago
2 stars 0 fork 0 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 191 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-2776 vulnerability anywhere in the article.

  • BleepingComputer
CISA warns of hackers exploiting SysAid vulnerabilities in attacks

CISA has warned that attackers are actively exploiting two security vulnerabilities in the SysAid IT service management (ITSM) software to hijack administrator accounts. The two unauthenticated XML Ex ... Read more

Published Date: Jul 23, 2025 (1 week, 6 days ago)
CVE-2025-2776 CVE-2025-2775 CVE-2023-47246
  • security.nl
VS meldt actief misbruik van kritieke lekken in helpdesksoftware SysAid

Aanvallers maken actief misbruik van kritieke kwetsbaarheden in helpdesksoftware SysAid, zo meldt het Cybersecurity and Infrastructure Security Agency (CISA) van het Amerikaanse ministerie van Homelan ... Read more

Published Date: Jul 23, 2025 (1 week, 6 days ago)
CVE-2025-2776 CVE-2025-2775
  • The Hacker News
CISA Warns: SysAid Flaws Under Active Attack Enable Remote File Access and SSRF

Jul 23, 2025Ravie LakshmananVulnerability / Software Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added two security flaws impacting SysAid IT support software to its Kn ... Read more

Published Date: Jul 23, 2025 (1 week, 6 days ago)
CVE-2025-25257 CVE-2025-6558 CVE-2025-2777 CVE-2025-2776 CVE-2025-2775 CVE-2024-36394
  • Daily CyberSecurity
CISA Alert: Actively Exploited Zero-Days in CrushFTP, Chrome, and SysAid Added to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has updated its Known Exploited Vulnerabilities (KEV) Catalog with four new entries that are currently under active exploitation. These ... Read more

Published Date: Jul 23, 2025 (1 week, 6 days ago)
CVE-2025-54309 CVE-2025-6558 CVE-2025-2776 CVE-2025-2775 CVE-2025-2825 CVE-2023-47246
  • Cyber Security News
SysAid ITSM Platform Vulnerabilities Allows Pre-authenticated Remote Command Execution

A critical vulnerability chain in SysAid’s On-Premise IT Service Management (ITSM) platform that allows attackers to achieve pre-authenticated Remote Command Execution (RCE). The findings detail how m ... Read more

Published Date: May 07, 2025 (2 months, 4 weeks ago)
CVE-2025-2778 CVE-2025-2777 CVE-2025-2776 CVE-2025-2775 CVE-2023-47246

The following table lists the changes that have been made to the CVE-2025-2776 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jul. 23, 2025

    Action Type Old Value New Value
    Added Date Added 2025-07-22
    Added Due Date 2025-08-12
    Added 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.
    Added Vulnerability Name SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability
  • Initial Analysis by [email protected]

    Jun. 27, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CPE Configuration OR *cpe:2.3:a:sysaid:sysaid:*:*:*:*:on-premises:*:*:* versions up to (including) 23.3.40
    Added Reference Type VulnCheck: https://documentation.sysaid.com/docs/24-40-60 Types: Release Notes
    Added Reference Type VulnCheck: https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/ Types: Exploit, Third Party Advisory
  • New CVE Received by [email protected]

    May. 07, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
    Added CWE CWE-611
    Added Reference https://documentation.sysaid.com/docs/24-40-60
    Added Reference https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-2776 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-2776 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
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