Path Traversal in R-Project Cran
CVE-2020-27637
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
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (82.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.r-project.org/foundation/ (Vendor Advisory)
- labs.bishopfox.com/advisories/cran-version-4.0.2 (Exploit, Third Party Advisory)
- security.gentoo.org/glsa/202401-07 (vendor-advisory)
Frequently asked questions
- What is CVE-2020-27637?
- CVE-2020-27637 is a critical-severity vulnerability in R-Project Cran, classified under Path Traversal. CVSS score: 9.8/10. Published 2021-01-12.
- How severe is CVE-2020-27637?
- Critical severity. CVSS v3 base score is 9.8 out of 10.