CVE-2020-8131
HIGH
7.5
CVSS Score
Published: February 24, 2020 at 02:41 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorYarn
Using yarn by N/A?
Get instant alerts when new vulnerabilities affect yarn - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 5%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.21.1Fixed Version: 1.22.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/yarnpkg/yarn/pull/7831x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/730239CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card