{"id":"CVE-2020-5420","details":"Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with \"cf push\" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters.","modified":"2026-04-10T04:27:39.359562Z","published":"2020-09-03T01:15:10.857Z","references":[{"type":"ADVISORY","url":"https://www.cloudfoundry.org/blog/cve-2020-5420"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cloudfoundry/cf-deployment","events":[{"introduced":"0"},{"fixed":"62c1fb8177214705123eeb9def1c7b8367575612"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"13.15.0"}]}}],"versions":["v0.0.0","v0.0.1","v0.0.2","v0.1.0","v0.10.0","v0.11.0","v0.12.0","v0.13.0","v0.14.0","v0.15.0","v0.2.0","v0.2.1","v0.2.2","v0.28.0","v0.29.0","v0.3.0","v0.30.0","v0.31.0","v0.32.0","v0.33.0","v0.34.0","v0.35.0","v0.36.0","v0.37.0","v0.5.0","v0.7.0","v0.8.0","v0.9.0","v0.9.1","v1.0.0","v1.1.0","v1.10.0","v1.11.0","v1.12.0","v1.13.0","v1.14.0","v1.15.0","v1.16.0","v1.17.0","v1.18.0","v1.19.0","v1.2.0","v1.20.0","v1.21.0","v1.22.0","v1.23.0","v1.24.0","v1.25.0","v1.26.0","v1.27.0","v1.28.0","v1.29.0","v1.3.0","v1.30.0","v1.31.0","v1.32.0","v1.33.0","v1.34.0","v1.35.0","v1.36.0","v1.37.0","v1.38.0","v1.4.0","v1.5.0","v1.6.0","v1.7.0","v1.8.0","v1.9.0","v10.0.0","v10.1.0","v11.0.0","v11.1.0","v11.2.0","v12.0.0","v12.1.0","v12.10.0","v12.11.0","v12.12.0","v12.13.0","v12.14.0","v12.15.0","v12.16.0","v12.17.0","v12.18.0","v12.19.0","v12.2.0","v12.20.0","v12.21.0","v12.22.0","v12.23.0","v12.24.0","v12.25.0","v12.26.0","v12.27.0","v12.28.0","v12.29.0","v12.3.0","v12.30.0","v12.31.0","v12.32.0","v12.33.0","v12.34.0","v12.35.0","v12.36.0","v12.37.0","v12.38.0","v12.39.0","v12.4.0","v12.40.0","v12.41.0","v12.42.0","v12.43.0","v12.44.0","v12.45.0","v12.5.0","v12.6.0","v12.7.0","v12.8.0","v12.9.0","v13.0.0","v13.1.0","v13.10.0","v13.11.0","v13.12.0","v13.13.0","v13.14.0","v13.2.0","v13.3.0","v13.4.0","v13.5.0","v13.6.0","v13.7.0","v13.8.0","v13.9.0","v2.0.0","v2.1.0","v2.2.0","v2.3.0","v2.4.0","v2.5.0","v3.0.0","v3.1.0","v3.2.0","v3.3.0","v3.4.0","v3.5.0","v3.6.0","v4.0.0","v4.1.0","v4.2.0","v4.3.0","v4.4.0","v4.5.0","v5.0.0","v5.1.0","v5.3.0","v5.4.0","v5.5.0","v6.0.0","v6.1.0","v6.10.0","v6.2.0","v6.3.0","v6.4.0","v6.5.0","v6.6.0","v6.7.0","v6.8.0","v6.9.0","v7.0.0","v7.1.0","v7.2.0","v7.3.0","v7.4.0","v7.5.0","v7.6.0","v7.8.0","v7.9.0"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"0.206.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5420.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}