🛡️ CVE-2023-6545 — authelia-bhf

🟡 CVSS 4.7 — Medium ✅ No Known Exploit CWE-601 NVD
4.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The package authelia-bhf included in Beckhoffs TwinCAT/BSD is prone to an open redirect that allows a remote unprivileged attacker to redirect a user to another site. This may have limited impact to integrity and does solely affect anthelia-bhf the Beckhoff fork of authelia.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality none, integrity low, availability none.

Weakness class

CVE-2023-6545 is classified as CWE-601: Open Redirect. A redirect target is taken from user input, so a trusted link can send the visitor to an attacker's site.

Affected software

CVE-2023-6545 is recorded against 1 package.

  • authelia-bhf (fixed in 4.37.5)

Timeline and source

Published on 14 December 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

cert.vde.com
download.beckhoff.com
cert.vde.com
download.beckhoff.com

Details

Severity MEDIUM
CVSS Score 4.7
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
CWE CWE-601
Public Exploit ✅ No
Source NVD
Published 2023-12-14
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
authelia-bhf — 4.37.5

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