CVE-2020-8131

Arbitrary filesystem write vulnerability in Yarn before 1.22.0 allows attackers to write to any path on the filesystem and potentially lead to arbitrary code execution by forcing the user to install a malicious package.

Affected

yarn

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

5.1 MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:P

EPSS

5.16% chance of exploitation in the next 30 days, 92nd percentile

Published

2020-02-24

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://hackerone.com/reports/730239

Security advisories

• yarnpkg/yarn/pull/7831
• advisories/GHSA-8mfc-v7wv-p62g

References

• CVE Record
• NVD entry