CVE-2020-27637

The R programming language\u2019s default package manager CRAN is affe ...

Published 12 Jan 2021Modified 17 Jun 2026CWE 22

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium).

Description

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

Affected packages and fixed versions

Source	Package	Fixed in
debian 10	r-base	no fix listed
debian 11	r-base	4.0.3-1
debian 12	r-base	4.0.3-1
debian 13	r-base	4.0.3-1
debian 14	r-base	4.0.3-1
debian 9	r-base	no fix listed
echo	r-base	4.0.3-1
ubuntu 18.04-ESM	r-base	no fix listed
ubuntu 20.04-ESM	r-base	no fix listed

References

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RecordsEach decision is recorded with the policy that ran and its hash, then sealed under a signed checkpoint.

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