{"id":"UBUNTU-CVE-2020-27637","details":"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","modified":"2026-04-22T12:37:37.964814Z","published":"2021-01-12T04:15:00Z","upstream":["CVE-2020-27637"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-27637"},{"type":"REPORT","url":"https://labs.bishopfox.com/advisories/cran-version-4.0.2"},{"type":"REPORT","url":"https://www.r-project.org/foundation/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-27637"}],"affected":[{"package":{"name":"r-base","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/r-base@3.0.2-1ubuntu1.1~esm2?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.1-3ubuntu1","3.0.2-1ubuntu1","3.0.2-1ubuntu1.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"r-base","binary_version":"3.0.2-1ubuntu1.1~esm2"},{"binary_name":"r-base-core","binary_version":"3.0.2-1ubuntu1.1~esm2"},{"binary_name":"r-base-html","binary_version":"3.0.2-1ubuntu1.1~esm2"},{"binary_name":"r-doc-html","binary_version":"3.0.2-1ubuntu1.1~esm2"},{"binary_name":"r-doc-info","binary_version":"3.0.2-1ubuntu1.1~esm2"},{"binary_name":"r-doc-pdf","binary_version":"3.0.2-1ubuntu1.1~esm2"},{"binary_name":"r-mathlib","binary_version":"3.0.2-1ubuntu1.1~esm2"},{"binary_name":"r-recommended","binary_version":"3.0.2-1ubuntu1.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27637.json"}},{"package":{"name":"r-base","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/r-base@3.2.3-4ubuntu0.1~esm3?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.2-1","3.2.2.20151203-1","3.2.3-1","3.2.3-2","3.2.3-4","3.2.3-4ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"r-base","binary_version":"3.2.3-4ubuntu0.1~esm3"},{"binary_name":"r-base-core","binary_version":"3.2.3-4ubuntu0.1~esm3"},{"binary_name":"r-base-html","binary_version":"3.2.3-4ubuntu0.1~esm3"},{"binary_name":"r-doc-html","binary_version":"3.2.3-4ubuntu0.1~esm3"},{"binary_name":"r-doc-info","binary_version":"3.2.3-4ubuntu0.1~esm3"},{"binary_name":"r-doc-pdf","binary_version":"3.2.3-4ubuntu0.1~esm3"},{"binary_name":"r-mathlib","binary_version":"3.2.3-4ubuntu0.1~esm3"},{"binary_name":"r-recommended","binary_version":"3.2.3-4ubuntu0.1~esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27637.json"}},{"package":{"name":"r-base","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/r-base@3.4.4-1ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.2-1ubuntu1","3.4.2-1ubuntu2","3.4.2-2ubuntu1","3.4.3-1","3.4.3-1build1","3.4.4-1","3.4.4-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"r-base","binary_version":"3.4.4-1ubuntu1"},{"binary_name":"r-base-core","binary_version":"3.4.4-1ubuntu1"},{"binary_name":"r-base-html","binary_version":"3.4.4-1ubuntu1"},{"binary_version":"3.4.4-1ubuntu1","binary_name":"r-doc-html"},{"binary_name":"r-doc-info","binary_version":"3.4.4-1ubuntu1"},{"binary_version":"3.4.4-1ubuntu1","binary_name":"r-doc-pdf"},{"binary_name":"r-mathlib","binary_version":"3.4.4-1ubuntu1"},{"binary_name":"r-recommended","binary_version":"3.4.4-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27637.json"}},{"package":{"name":"r-base","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/r-base@3.6.3-2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.1-4","3.6.1-7","3.6.2-2","3.6.2.20200221-1","3.6.2.20200221-1build1","3.6.3-2"],"ecosystem_specific":{"binaries":[{"binary_name":"r-base","binary_version":"3.6.3-2"},{"binary_name":"r-base-core","binary_version":"3.6.3-2"},{"binary_version":"3.6.3-2","binary_name":"r-base-html"},{"binary_name":"r-doc-html","binary_version":"3.6.3-2"},{"binary_name":"r-doc-info","binary_version":"3.6.3-2"},{"binary_name":"r-doc-pdf","binary_version":"3.6.3-2"},{"binary_name":"r-mathlib","binary_version":"3.6.3-2"},{"binary_name":"r-recommended","binary_version":"3.6.3-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27637.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}