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HackeroneCVE-2020-8131

HistoryFeb 24, 2020 - 3:15 p.m.

CVE-2020-8131

2020-02-2415:15:12

CWE-22

hackerone

web.nvd.nist.gov

cve-2020-8131

yarn

filesystem vulnerability

code execution

nvd

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.7

Confidence

High

EPSS

0.003

Percentile

70.8%

JSON

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 configurations

Nvd

Vulners

Node

yarnpkgyarnRange≤1.21.1

VendorProductVersionCPE
yarnpkgyarn*cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
yarnpkg	yarn	*	cpe:2.3:a:yarnpkg:yarn::::::::

CNA Affected

[
  {
    "product": "yarn",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed Version: 1.22.0"
      }
    ]
  }
]