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CVE-2022-39384

21
FAUCET Score

CVE-2022-39384 affects OpenZeppelin Contracts versions between 3.2.0 and 4.4.1, allowing reentrancy in initializer functions when invoked separately from contract creation, particularly with minimal proxies. This medium-severity vulnerability (CVSS 5.6) has a network attack vector and high attack complexity, potentially leading to low impacts on 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
>= 3.2.0, < 4.4.1CPE matchmatch criteria
cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:*
>= 3.2.0, < 4.4.1CPE matchmatch criteria
cpe:2.3:a:openzeppelin:contracts_upgradeable:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.6MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 6th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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: 4.4.1
npmpatch availablevia ghsa
Product: @openzeppelin/contracts-upgradeableFixed in: 4.4.1

Vendor Advisories (1)

npmGHSA-9c22-pwxw-p6hxmedium

OpenZeppelin Contracts initializer reentrancy may lead to double initialization

Dec 14, 2021

References

github.com / OpenZeppelin/openzeppelin-contracts/pull/3006
PatchThird Party Advisory
github.com / OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-9c22-pwxw-p6hx
Third Party Advisory