CVE-2021-45268 Cross-site request forgery in n/a

High 8.8 Published Updated

CSRF in Backdrop CMS allows remote code execution via malicious add-on upload, requiring high-privileged user interaction.

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
None listed

What is CVE-2021-45268?

CVE-2021-45268 is a high-severity vulnerability in n/a, published on 3 Feb 2022. 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

A Cross Site Request Forgery (CSRF) vulnerability exists in Backdrop CMS 1.20, which allows Remote Attackers to gain Remote Code Execution (RCE) on the Hosting Webserver via uploading a maliciously add-on with crafted PHP file. NOTE: the vendor disputes this because the attack requires a session cookie of a high-privileged authenticated user who is entitled to install arbitrary add-ons

Weakness: CWE-352

Which versions are affected by CVE-2021-45268?

It affects 1 product.

Products include Backdropcms Backdrop.

How do I fix CVE-2021-45268?

No fix has been published for CVE-2021-45268 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-45268 being exploited?

There is no known exploitation of CVE-2021-45268 in the wild and no public exploit code.

Sources

Also known as GHSA-cxfw-78g3-3grg.

Is CVE-2021-45268 in your software?

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