CVE-2020-27637 is a critical path traversal vulnerability affecting the R programming language's default package manager, CRAN, specifically when installing packages via R CMD install or install.packages(). This flaw carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high potential for complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, immediate patching to R version 4.0.3 is strongly recommended to mitigate this severe risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.3CPE matchmatch criteria | cpe:2.3:a:r-project:cran:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.