CVE-2023-35172
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 8.7 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Weakness
- CWE-307
- Record status
- Modified
Affected
- Nextcloud Server < 21.0.9.12
- Nextcloud Server < 22.2.10.12
- Nextcloud Server < 23.0.12.7
- Nextcloud Server < 24.0.12.2
- Nextcloud Server < 25.0.7
- Nextcloud Server < 26.0.2
Attack profile CVSS 3.1 · 8.7
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-35172.md and follow it. Check whether this project is affected by CVE-2023-35172. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6
- https://github.com/nextcloud/server/pull/38267
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6
- https://github.com/nextcloud/server/pull/38267
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6
- https://github.com/nextcloud/server/pull/38267
- https://hackerone.com/reports/1987062
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6
- https://github.com/nextcloud/server/pull/38267
- https://hackerone.com/reports/1987062