How severe is CVE-2022-41340?

CVE-2022-41340 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-41340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-41340?

CVE-2022-41340 affects Secp256k1-js Project Secp256k1-js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-41340?

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.

When was CVE-2022-41340 published?

CVE-2022-41340 was published on 2022-09-24 and last updated on 2026-06-17.

CVE-2022-41340

CVE-2022-41340 is a high-severity vulnerability in Secp256k1-js Project Secp256k1-js with a CVSS 3.x base score of 7.5. 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-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Secp256k1-js Project Secp256k1-js
Published: 2022-09-24
Last modified: 2026-06-17

Description

The secp256k1-js package before 1.1.0 for Node.js implements ECDSA without required r and s validation, leading to signature forgery.

Frequently asked questions

What is CVE-2022-41340?: The secp256k1-js package before 1.1.0 for Node.js implements ECDSA without required r and s validation, leading to signature forgery.
How severe is CVE-2022-41340?: CVE-2022-41340 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-41340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-41340?: CVE-2022-41340 affects Secp256k1-js Project Secp256k1-js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-41340?: 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.
When was CVE-2022-41340 published?: CVE-2022-41340 was published on 2022-09-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:secp256k1-js_project:secp256k1-js:*:*:*:*:*:node.js:*:*

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