CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-4435
High (7.8) in yarnpkg yarn. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in yarn 1.22.13.
An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
- CWE
- CWE-426
- Published
- Modified
- Record from
- the NVD, synced
Affected
- yarnpkg:yarn
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-mpwj-fcr6-x34c | npm | yarn | <1.22.13 | 1.22.13 |