Vulnerability · Published Jun 23, 2023 · Assigned by GitHub_M

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

High 8.7

In plain English

A high-severity security flaw in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.9%top 39.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
nextcloud security-advisories Nextcloud Server >= 25.0.0, < 25.0.7Nextcloud Server >= 26.0.0, < 26.0.2Nextcloud Enterprise Server >= 25.0.0, < 25.0.7Nextcloud Enterprise Server >= 26.0.0, < 26.0.2Nextcloud Enterprise Server >= 21.0.0, < 21.0.9.12Nextcloud Enterprise Server >= 22.0.0, < 22.2.10.12Nextcloud Enterprise Server >= 23.0.0, < 23.0.12.7Nextcloud Enterprise Server >= 24.0.0, < 24.0.12.2

Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

References