{"action":"Upgrade github.com/containerd/containerd to 1.3.9 or later.","affected":[{"fixed":"1.3.9","introduced":"0"},{"fixed":"1.4.3","introduced":"1.4.0"}],"component":"github.com/containerd/containerd","cve_ids":["CVE-2020-15257"],"ecosystem":"Go","epss":0.03236,"exploited":false,"fixed_versions":["1.3.9","1.4.3"],"ghsa_id":"GHSA-36xw-fx78-c5r4","id":"tcs_01M5KETBW8N4GC4B3AXPE4F258","modified_at":"2026-09-10T03:49:04.046246275Z","published_at":"2021-05-24T17:00:22Z","references":["https://osv.dev/vulnerability/GHSA-36xw-fx78-c5r4","https://github.com/containerd/containerd/security/advisories/GHSA-36xw-fx78-c5r4","https://nvd.nist.gov/vuln/detail/CVE-2020-15257","https://github.com/containerd/containerd/commit/4a4bb851f5da563ff6e68a83dc837c7699c469ad","https://github.com/containerd/containerd/releases/tag/v1.4.3","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNKXLOLZWO5FMAPX63ZL7JNKTNNT5NQD","https://research.nccgroup.com/2020/12/10/abstract-shimmer-cve-2020-15257-host-networking-is-root-equivalent-again","https://security.gentoo.org/glsa/202105-33","https://www.debian.org/security/2021/dsa-4865"],"severity":{"label":"medium","score":5.2},"sources":[{"source":"osv","source_id":"GHSA-36xw-fx78-c5r4","url":"https://osv.dev/vulnerability/GHSA-36xw-fx78-c5r4"}],"summary":"containerd-shim API Exposed to Host Network Containers"}