CVE-2024-23342

Name: CVE-2024-23342
Creator: NVD / NIST
Published: 2024-01-23T00:15:26.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.98%

Last modified Jun 17, 2026

CVE-2024-23342 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Versions 0.18.0 and prior are vulnerable to the Minerva attack. EPSS estimates a 0.98% chance of exploitation in the next 30 days.

Description

The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Versions 0.18.0 and prior are vulnerable to the Minerva attack. As of time of publication, no known patched version exists.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.98%

57.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tlsfuzzer	Ecdsa	<= 0.18.0

References

https://github.com/tlsfuzzer/python-ecdsa/blob/master/SECURITY.mdProduct
https://github.com/tlsfuzzer/python-ecdsa/security/advisories/GHSA-wj6h-64fc-37mpExploit, Vendor Advisory
https://minerva.crocs.fi.muni.cz/Technical Description
https://securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python/Technical Description
https://github.com/tlsfuzzer/python-ecdsa/blob/master/SECURITY.mdProduct
https://github.com/tlsfuzzer/python-ecdsa/security/advisories/GHSA-wj6h-64fc-37mpExploit, Vendor Advisory
https://minerva.crocs.fi.muni.cz/Technical Description
https://securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python/Technical Description

Timeline

Published: Jan 23, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-23342?

How severe is CVE-2024-23342?

CVE-2024-23342 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.

How do I fix CVE-2024-23342?

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-2024-23342?

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

Scan your code now

Source: NVD / NIST