CVE-2021-43562 Server-side request forgery in n/a

High 8.8 Published Updated

An attacker with a TYPO3 backend account can exploit SSRF in the pixxio extension to download remote content, potentially leading to remote code execution.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-43562?

CVE-2021-43562 is a high-severity server-side request forgery vulnerability in n/a, published on 10 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered in the pixxio (aka pixx.io integration or DAM) extension before 1.0.6 for TYPO3. The extension fails to restrict the image download to the configured pixx.io DAM URL, resulting in SSRF. As a result, an attacker can download various content from a remote location and save it to a user-controlled filename, which may result in Remote Code Execution. A TYPO3 backend user account is required to exploit this.

Weakness: CWE-918

Which versions are affected by CVE-2021-43562?

It affects 1 product.

Products include Pixxio Pixx.io.

How do I fix CVE-2021-43562?

No fix has been published for CVE-2021-43562 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2021-43562 being exploited?

There is no known exploitation of CVE-2021-43562 in the wild and no public exploit code.

Sources

Also known as GHSA-2cv2-83wv-6whc.

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