PatchTheCVECVE-2023-6545: The package authelia-bhf included in Beckhoffs TwinCAT/BSD is prone to an open redirect that allows a remote u
CVE-2023-6545 is a medium-severity flaw (CVSS 4.7) affecting authelia-bhf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.7 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-601 |
| Published | 2023-12-14 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-6545?
authelia-bhf: upgrade to 4.37.5. Exact commands for each OS are on this page.
Is CVE-2023-6545 being exploited?
CVE-2023-6545 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-6545 affect?
CVE-2023-6545 affects authelia-bhf. Severity is medium (CVSS 4.7). 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
How urgent is CVE-2023-6545?
Priority 26/100. No elevated risk signals yet.