Vulnerability · Published Feb 20, 2024 · Assigned by GitHub_M

CVE-2024-26135MeshCentral cross-site websocket hijacking (CSWSH) vulnerability

High 8.4

In plain English

A high-severity security flaw in MeshCentral from Ylianst. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.5%top 60.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

MeshCentral is a full computer management web site. Versions prior to 1.1.21 a cross-site websocket hijacking (CSWSH) vulnerability within the control.ashx endpoint. This component is the primary mechanism used within MeshCentral to perform administrative actions on the server. The vulnerability is exploitable when an attacker is able to convince a victim end-user to click on a malicious link to a page hosting an attacker-controlled site. The attacker can then originate a cross-site websocket connection using client-side JavaScript code to connect to `control.ashx` as the victim user within MeshCentral. Version 1.1.21 contains a patch for this issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmmeshcentral1.1.21GHSA-cp68-qrhr-g9h8

Affected products (as reported)

VendorProductVersions
Ylianst MeshCentral < 1.1.21

Weakness: CWE-346 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

References