{"action":"Upgrade r-base to 4.0.3-1 or later.","affected":[{"fixed":"4.0.3-1","introduced":"0"}],"component":"r-base","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.0.3-1"],"id":"tcs_01M5NEY7HJE3E1429ZRFPYSSPZ","modified_at":"2026-10-26T12:01:07.510918564Z","published_at":"2021-01-12T04:15:13Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-27637","https://security-tracker.debian.org/tracker/CVE-2020-27637"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-27637","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-27637"}],"summary":"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"}