CVE-2020-29362

Name: CVE-2020-29362
Creator: NVD / NIST
Published: 2020-12-16T14:15:12.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 2.26%

Last modified Jun 17, 2026

CVE-2020-29362 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. EPSS estimates a 2.26% chance of exploitation in the next 30 days.

Description

An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

2.26%

80.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
P11-Kit Project	P11-Kit	>= 0.23.6, < 0.23.22

References

https://github.com/p11-glue/p11-kit/releasesRelease Notes, Third Party Advisory
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwcThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4822Third Party Advisory
https://github.com/p11-glue/p11-kit/releasesRelease Notes, Third Party Advisory
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwcThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4822Third Party Advisory

Timeline

Published: Dec 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-29362?

How severe is CVE-2020-29362?

CVE-2020-29362 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.26% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29362?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-29362?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST