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CVE-2023-21405

6.5 · MEDIUM

Knud from Fraktal.fi has found a flaw in some Axis Network Door Controllers and Axis Network Intercoms when communicating over OSDP, highlighting that the OSDP message parser crashes the pacsiod pr…

Published Jul 25, 2023CWE-1286EPSS 0.30%

Overview

CVE-2023-21405 is a medium-severity vulnerability. It was published on July 25, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Knud from Fraktal.fi has found a flaw in some Axis Network Door Controllers and Axis Network

Intercoms when communicating over OSDP, highlighting that the OSDP message parser crashes

the pacsiod process, causing a temporary unavailability of the door-controlling functionalities

meaning that doors cannot be opened or closed. No sensitive or customer data can be extracted

as the Axis device is not further compromised. Please refer to the Axis security advisory for more information, mitigation and affected products and software versions.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.axis.com/dam/public/7f/3a/ed/cve-2023-21405-en-US-407244.pdfRefwww.axis.com/dam/public/7f/3a/ed/cve-2023-21405-en-US-407244.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2023-21405?

CVE-2023-21405 is a medium-severity vulnerability. It was published on July 25, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-21405?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-21405?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-21405?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-21405 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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