CVE-2023-35172: Nextcloud Server password reset endpoint is not brute force protected
First published: Fri Jun 23 2023(Updated: )
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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nextcloud Server | >=21.0.0<21.0.9.12 | |
| Nextcloud Server | >=22.0.0<22.2.10.12 | |
| Nextcloud Server | >=23.0.0<23.0.12.7 | |
| Nextcloud Server | >=24.0.0<24.0.12.2 | |
| Nextcloud Server | >=25.0.0<25.0.7 | |
| Nextcloud Server | >=25.0.0<25.0.7 | |
| Nextcloud Server | >=26.0.0<26.0.2 | |
| Nextcloud Server | >=26.0.0<26.0.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-35172?
The severity of CVE-2023-35172 is critical with a score of 9.1.
Which versions of NextCloud Server are affected by CVE-2023-35172?
NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 are affected by CVE-2023-35172.
Which versions of NextCloud Enterprise Server are affected by CVE-2023-35172?
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, and 24.0.0 until 24.0.12.2 are affected by CVE-2023-35172.
How can I fix CVE-2023-35172?
To fix CVE-2023-35172, you should upgrade NextCloud Server to version 25.0.8 or 26.0.3 and upgrade NextCloud Enterprise Server to version 21.0.10.1, 22.2.11.1, 23.0.12.8, or 24.0.12.3.
Where can I find more information about CVE-2023-35172?
You can find more information about CVE-2023-35172 at the following references: - [GitHub Security Advisory](https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6) - [GitHub Pull Request](https://github.com/nextcloud/server/pull/38267) - [HackerOne report](https://hackerone.com/reports/1987062)
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/nextcloud
- canonical/nextcloud server
- version/nextcloud server/21.0.0
- version/nextcloud server/22.0.0
- version/nextcloud server/23.0.0
- version/nextcloud server/24.0.0
- version/nextcloud server/25.0.0
- version/nextcloud server/26.0.0