{"action":"Upgrade tar to 4.4.16 or later.","affected":[{"fixed":"4.4.16","introduced":"3.0.0"},{"fixed":"5.0.8","introduced":"5.0.0"},{"fixed":"6.1.7","introduced":"6.0.0"}],"component":"tar","cve_ids":["CVE-2021-37701"],"ecosystem":"npm","epss":0.03286,"exploited":false,"fixed_versions":["4.4.16","5.0.8","6.1.7"],"ghsa_id":"GHSA-9r2w-394v-53qc","id":"tcs_01M5KFGS1M8Q5BNFXAY26499JT","modified_at":"2026-07-08T06:29:15.266514613Z","published_at":"2021-08-31T16:05:27Z","references":["https://osv.dev/vulnerability/GHSA-9r2w-394v-53qc","https://github.com/npm/node-tar/security/advisories/GHSA-9r2w-394v-53qc","https://nvd.nist.gov/vuln/detail/CVE-2021-37701","https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","https://github.com/npm/node-tar","https://lists.debian.org/debian-lts-announce/2022/12/msg00023.html","https://www.debian.org/security/2021/dsa-5008","https://www.npmjs.com/package/tar","https://www.oracle.com/security-alerts/cpuoct2021.html"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-9r2w-394v-53qc","url":"https://osv.dev/vulnerability/GHSA-9r2w-394v-53qc"}],"summary":"Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning using symbolic links"}