Is CVE-2023-6545 in the CISA KEV catalog?

No. CVE-2023-6545 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6545?

CVE-2023-6545 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2023-6545?

CVE-2023-6545 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-6545?

Upgrade authelia-bhf to 4.37.5 or later.

CVE & CISA-KEV Catalog

CVE-2023-6545

MEDIUM

4.7

CVSS v3

NVD

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.

CWE-601Open Redirect

How to fix

Remediation Available

authelia-bhfNVD

Affected:< 4.37.5Fixed in:4.37.5CVE-2023-6545derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory1

download.beckhoff.com

Third-Party Advisory1

cert.vde.com

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.