9.8

CVE-2023-44273: consensys gnark-crypto Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalModified
AliasesGHSA-9xfq-8j3r-xp5gGHSA-fr8m-434r-g3xpGO-2023-2096
Published 28-09-2023Last modified 23-09-2024
Open JSON

Vulnerability summary

CVE-2023-44273 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in consensys gnark-crypto. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 64% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.05%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-09-2023
    PublishedVulnerability first disclosed.
  2. 23-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.05%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

+0.21 pp

From 0.84% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.05%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Consensys1 product
Github.com/consensys1 product
  • gnark-crypto< 0.12.0

2 vendors · 2 products

References

9 links