Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-30542

26
FAUCET Score

CVE-2023-30542 affects OpenZeppelin Contracts and Contracts Upgradeable, allowing the creation of smart contract proposals where the 'signatures' array is shorter than the 'calldatas' array, leading to ignored calldata elements during execution. This vulnerability carries a CVSS score of 8.8 (High), indicating a network-based attack with low complexity that can result in high impact to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.3.0, < 4.8.3CPE matchmatch criteria
cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:*
>= 4.3.0, < 4.8.3CPE matchmatch criteria
cpe:2.3:a:openzeppelin:contracts_upgradeable:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 35th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

npmpatch availablevia ghsa
Product: @openzeppelin/contractsFixed in: 4.8.3
npmpatch availablevia ghsa
Product: @openzeppelin/contracts-upgradeableFixed in: 4.8.3
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

npmGHSA-93hq-5wgc-jc82high

GovernorCompatibilityBravo may trim proposal calldata

Apr 20, 2023

References

github.com / OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.3
Release Notes
github.com / OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-93hq-5wgc-jc82
Vendor Advisory