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CVE-2023-35172 Nextcloud Server password reset endpoint is not brute force protected

High 8.7 Published Updated

Attackers can brute force password reset links due to missing rate limiting, potentially leading to account takeover.

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

What is CVE-2023-35172?

CVE-2023-35172 is a high-severity vulnerability in Nextcloud Nextcloud Server, published on 23 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, an attacker can bruteforce the password reset links. Nextcloud Server n 25.0.7 and 26.0.2 and Nextcloud Enterprise Server 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, and 26.0.2 contain a patch for this issue. No known workarounds are available.

Weakness: CWE-307

Which versions are affected by CVE-2023-35172?

It affects 1 product.

Products include Nextcloud Nextcloud Server.

How do I fix CVE-2023-35172?

No fix has been published for CVE-2023-35172 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-35172 being exploited?

There is no known exploitation of CVE-2023-35172 in the wild and no public exploit code.

All Nextcloud Nextcloud Server vulnerabilities

Sources

Also known as GHSA-mjf5-p765-qmr6.

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