How severe is CVE-2024-23342?

CVE-2024-23342 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-23342 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23342?

CVE-2024-23342 affects Tlsfuzzer Ecdsa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23342?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-23342 have an EU (EUVD) identifier?

Yes. CVE-2024-23342 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0448.

When was CVE-2024-23342 published?

CVE-2024-23342 was published on 2024-01-23 and last updated on 2026-06-17.

CVE-2024-23342

CVE-2024-23342 is a high-severity vulnerability in Tlsfuzzer Ecdsa with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0448
Weakness: CWE-203
Affected product: Tlsfuzzer Ecdsa
Published: 2024-01-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-23342?: 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.
How severe is CVE-2024-23342?: CVE-2024-23342 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-23342 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23342?: CVE-2024-23342 affects Tlsfuzzer Ecdsa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23342?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-23342 have an EU (EUVD) identifier?: Yes. CVE-2024-23342 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0448.
When was CVE-2024-23342 published?: CVE-2024-23342 was published on 2024-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tlsfuzzer:ecdsa:*:*:*:*:*:python:*:*

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