Is CVE-2023-44273 in the CISA KEV catalog?

No. CVE-2023-44273 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-44273?

CVE-2023-44273 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-44273?

CVE-2023-44273 has an EPSS score of 0.84% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-44273?

Upgrade gnark-crypto to 0.12.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-44273

CRITICAL

9.8

CVSS v3

NVD

Description

Consensys gnark-crypto through 0.11.2 allows Signature Malleability. This occurs because deserialisation of EdDSA and ECDSA signatures does not ensure that the data is in a certain interval.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

gnark-cryptoNVD

Affected:< 0.12.0Fixed in:0.12.0CVE-2023-44273derived 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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.84%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Patch1

github.com

Release Notes1

github.com

Product1

verichains.io

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

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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 2024-11-21.