TimelockController vulnerability in OpenZeppelin Contracts (OpenZeppelin openzeppelin-contracts)

CVE-2021-39167
CRITICAL 10.0

En bref

Source
NVD
EPSS
EPSS 1.59 % · centile 76 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
GitHub_M
Statut NVD
Modified

Description

OpenZepplin is a library for smart contract development. In affected versions a vulnerability in TimelockController allowed an actor with the executor role to escalate privileges. Further details about the vulnerability will be disclosed at a later date. As a workaround revoke the executor role from accounts not strictly under the team's control. We recommend revoking all executors that are not also proposers. When applying this mitigation, ensure there is at least one proposer and executor remaining.

Faiblesses (CWE)

  • CWE-269 — Gestion incorrecte des privilèges

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HGitHub_M
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HNVD · security-advisories@github.com (Secondary)
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0HIGH 7.5AV:N/AC:L/Au:N/C:P/I:P/A:PNVD · nvd@nist.gov (Primary)

Avis

Références européennes

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
OpenZeppelin · openzeppelin-contractsaffected >=4.0.0, < 4.3.1 ; affected >=3.3.0, < 3.4.2 ; affected >= 3.3.0-solc-0.7, < 3.4.2-solc-0.7

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD