Vulnerability · Published Jan 18, 2024 · Assigned by GitHub_M

CVE-2024-22212Nextcloud global site selector authentication bypass

Critical 9.7

In plain English

A critical-severity missing authentication 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 0.8% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)9.7Critical
Exploit odds (30 days)0.8%top 44.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Nextcloud Global Site Selector is a tool which allows you to run multiple small Nextcloud instances and redirect users to the right server. A problem in the password verification method allows an attacker to authenticate as another user. It is recommended that the Nextcloud Global Site Selector is upgraded to version 1.4.1, 2.1.2, 2.3.4 or 2.4.5. There are no known workarounds for this issue.

Affected products (as reported)

VendorProductVersions
nextcloud security-advisories >= 1.1.0, < 1.4.1>= 2.0.0, < 2.1.2>= 2.2.0, < 2.3.4>= 2.4.0, < 2.4.5

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References