CVE-2020-8131
CVSS v3
7.5
HIGH
EPSS Score
5.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2020-02-24
Frequently asked questions
What is 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.
Is CVE-2020-8131 actively exploited?
Active exploitation of CVE-2020-8131 has not been confirmed. Its EPSS score was 5.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-8131?
CVE-2020-8131 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-8131 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2020 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).