Is CVE-2022-41340 in the CISA KEV catalog?

No. CVE-2022-41340 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-41340?

CVE-2022-41340 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-41340?

CVE-2022-41340 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-41340?

Upgrade secp256k1-js to 1.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2022-41340

HIGH

7.5

CVSS v3

NVD

Description

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

CWE-347

How to fix

Remediation Available

secp256k1-jsNVD

Affected:< 1.1.0Fixed in:1.1.0CVE-2022-41340derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Patch2

Third-Party Advisory1

github.com

Other references1

npmjs.com

Related Vulnerabilities

Other CWE-347 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-16042	Medium	6.5	82%	-	-
CVE-2025-59718	Critical	9.8	66%	KEV	Fix
CVE-2025-25292	Critical	9.8	64%	-	Fix
CVE-2021-22160	Critical	9.8	53%	-	Fix
CVE-2013-3900	Medium	5.5	45%	KEV	-
CVE-2018-0114	High	7.5	43%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-22.