What is CVE-2022-31153?

CVE-2022-31153 is a medium-severity vulnerability in Openzeppelin Cairo-Contracts, classified under CWE-664. CVSS score: 6.5/10. Published 2022-07-15.

How severe is CVE-2022-31153?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2022-31153 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Openzeppelin Cairo-Contracts

CVE-2022-31153

OpenZeppelin Contracts for Cairo is a library for contract development written in Cairo for StarkNet, a decentralized ZK Rollup. Version 0.2.0 is vulnerable to an error that renders account contracts unusable on live networks. This issue affects all accounts (vanilla and ethereum flavors) in the v0.2.0 release of OpenZeppelin Contracts for Cairo, which are not whitelisted on StarkNet mainnet. Only goerli deployments of v0.2.0 accounts are affected. This faulty behavior is not observed in StarkNet's testing framework. This bug has been patched in v0.2.1.

Published 2022-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.7th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000

Affected products

Openzeppelin Cairo-Contracts — versions = 0.2.0
Openzeppelin Contracts — versions 0.2.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

github.com/OpenZeppelin/cairo-contracts/security/advisories/GHSA-8mjr-jr5h-q2xr (Third Party Advisory)
github.com/OpenZeppelin/cairo-contracts/issues/386 (Exploit, Third Party Advisory, Issue Tracking)
github.com/OpenZeppelin/cairo-contracts/pull/387 (Patch, Third Party Advisory)
github.com/OpenZeppelin/cairo-contracts/commit/2cd60279c3332285d47edf9ee3888b71… (Patch, Third Party Advisory)
github.com/OpenZeppelin/cairo-contracts/blob/release-0.2.0/src/openzeppelin/acc… (Exploit, Third Party Advisory)
github.com/OpenZeppelin/cairo-contracts/releases/tag/v0.2.1 (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2022-31153?: CVE-2022-31153 is a medium-severity vulnerability in Openzeppelin Cairo-Contracts, classified under CWE-664. CVSS score: 6.5/10. Published 2022-07-15.
How severe is CVE-2022-31153?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-31153 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.