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CVE-2020-13132

4.6 · MEDIUM

An issue was discovered in Yubico libykpiv before 2.1.0.

Published Jul 9, 2020CWE-763EPSS 0.64%

Overview

CVE-2020-13132 is a medium-severity vulnerability. It was published on July 9, 2020 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.

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

Refblog.inhq.net/posts/yubico-libykpiv-vuln/Refwww.yubico.com/support/security-advisories/ysa-2020-02/Refblog.inhq.net/posts/yubico-libykpiv-vuln/Refwww.yubico.com/support/security-advisories/ysa-2020-02/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-13132?

CVE-2020-13132 is a medium-severity vulnerability. It was published on July 9, 2020 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2020-13132?

This vulnerability has a CVSS 3.1 base score of 4.6, 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-2020-13132?

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-2020-13132?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-13132 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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