CVE-2023-6545

Beckhoff: Open redirect in TwinCAT/BSD package authelia-bhf

MEDIUM
4.7
CVSS Score
Published: December 14, 2023 at 02:09 PM UTC
Updated: June 17, 2026 at 06:50 AM UTC
2 products affected across 1 vendorAuthelia BhfTwincat /bsd

Using authelia-bhf of TwinCAT/BSD by Beckhoff?

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.37.5
Affected range stops below 4.37.5, so it looks safe — our inference, not a vendor statement
beckhoff-twincat-bsd (environment)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.7MEDIUMCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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