VulnerabilityModified
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.
HIGH 7.5EPSS 5.16%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 5.16% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- yarnpkg/yarn
- Source
- support@hackerone.com
References
- https://github.com/yarnpkg/yarn/pull/7831Patch, Third Party Advisory
- https://hackerone.com/reports/730239Exploit, Third Party Advisory
- https://github.com/yarnpkg/yarn/pull/7831Patch, Third Party Advisory
- https://hackerone.com/reports/730239Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.