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CVE-2022-35961

23
FAUCET Score

CVE-2022-35961 affects OpenZeppelin Contracts, specifically the ECDSA.recover and ECDSA.tryRecover functions, due to signature malleability when accepting EIP-2098 compact signatures. This medium severity vulnerability (CVSS 6.5) allows an authenticated attacker to bypass signature reuse or replay protection by resubmitting a previously used signature in a different format, leading to high integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.1.0, < 4.7.3CPE matchmatch criteria
cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:*
>= 4.1.0, < 4.7.3CPE matchmatch criteria
cpe:2.3:a:openzeppelin:contracts_upgradeable:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.9HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
1.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 36th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: @openzeppelin/contractsFixed in: 4.7.3
npmpatch availablevia ghsa
Product: @openzeppelin/contracts-upgradeableFixed in: 4.7.3

Vendor Advisories (1)

npmGHSA-4h98-2769-gh6hhigh

OpenZeppelin Contracts vulnerable to ECDSA signature malleability

Aug 18, 2022

References

github.com / OpenZeppelin/openzeppelin-contracts/pull/3610
PatchThird Party Advisory
github.com / OpenZeppelin/openzeppelin-contracts/releases/tag/v4.7.3
Release NotesThird Party Advisory
github.com / OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-4h98-2769-gh6h
Third Party Advisory