Name: CVE-2020-27637: Improper Limitation of a Pathname to a Restricted Directory
Creator: Rapid7
Published: 2021-01-12T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-27637, CWE-22, CVSS 9.8, EPSS 0.02268

The R programming language’s default package manager CRAN is affected by a path traversal vulnerability that can lead to server compromise. This vulnerability affects packages installed via the R CMD install cli command or the install.packages() function from the interpreter. Update to version 4.0.3

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade r-base	Jul 30, 2024	Jan 12, 2021
Gentoo Linux	—	Upgrade dev-lang/R.	Jan 8, 2024	Jan 12, 2021
Ubuntu	—	No solution exists	Jun 26, 2025	Jan 12, 2021

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CVSS Details

Covered by Rapid7

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