CVE-2023-49792CWE-307

Bruteforce protection can be bypassed with misconfigured proxy

Medium · published December 22, 2023

CVSS v3.1
5.3
EPSS
1%
Percentile
63.7
In the wild
Unconfirmed
What it is

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when a (reverse) proxy is configured as trusted proxy the server could be tricked into reading a wrong remote address for an attacker, allowing them executing authentication attempts than intended. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.01041 · 63.7th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2023-12-22T16:31Z
EPSS history
Timeline
  • 22 DEC 16:31Z
    Bruteforce protection can be bypassed with misconfigured proxy
    cvelistv5