CVE-2024-26135 MeshCentral cross-site websocket hijacking (CSWSH) vulnerability
Attackers can hijack admin sessions via cross-site websocket requests, allowing unauthorized administrative actions on MeshCentral servers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-26135?
CVE-2024-26135 is a high-severity vulnerability in Ylianst MeshCentral, published on 20 Feb 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-346
Which versions are affected by CVE-2024-26135?
2 open source packages ship an affected version, including meshcentral. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
meshcentral npm | All versions | 1.1.21 |
meshcentral npm | All versions | 1.1.21 |
Products include Meshcentral Meshcentral.
How do I fix CVE-2024-26135?
Upgrade meshcentral to 1.1.21 or later.
Is CVE-2024-26135 being exploited?
There is no known exploitation of CVE-2024-26135 in the wild and no public exploit code.
Other vulnerabilities in Ylianst MeshCentral
Sources
Also known as GHSA-cp68-qrhr-g9h8.