CVE-2020-27637

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

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

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-27637

OS impact

OSVersionStatusFixed in
arch archfixed4.0.3-1
debian debianbookwormfixed4.0.3-1
debian debianbullseyefixed4.0.3-1
debian debianforkyfixed4.0.3-1
debian debiansidfixed4.0.3-1
debian debiantrixiefixed4.0.3-1

References

Verify integrity in audit chain (admin only). AS-IS.