CVE-2023-35172

Nextcloud Server password reset endpoint is not brute force protected

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.

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.50%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6 vendor advisory
https://github.com/nextcloud/server/pull/38267 issue tracking
https://hackerone.com/reports/1987062 permissions required

Frequently Asked Questions

What is the severity of CVE-2023-35172?
CVE-2023-35172 has been scored as a high severity vulnerability.
How to fix CVE-2023-35172?
To fix CVE-2023-35172, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-35172 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-35172 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-35172?
CVE-2023-35172 affects nextcloud security-advisories.
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