{"id":"CVE-2021-3586","aliases":["EUVD-2021-26894","GHSA-hq9j-p426-983m","RHSA-2021:2380"],"status":"published","title":"A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do...","description":"A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0106,"percentile":0.64765,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1188"],"published":"2022-08-22T14:46:32Z","modified":"2026-06-17T04:05:23Z","fixes":[{"ecosystem":"Red Hat:service_mesh:2.0::el8","package":"servicemesh-operator","fixed_in":["0:2.0.5-3.el8"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Red Hat:service_mesh:2.0::el8","package":"servicemesh-operator","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.0.5-3.el8"}]}]}],"products":[{"vendor":"redhat","product":"openshift_service_mesh"},{"vendor":"redhat","product":"servicemesh-operator"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967738","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-3586","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3586","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hq9j-p426-983m"},{"url":"https://access.redhat.com/errata/RHSA-2021:2380","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2380.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3586","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-3586","description":"A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2022-08-22T14:46:32Z","modified":"2024-08-03T17:01:07.389Z","cwes":["CWE-1188"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26894","description":"A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2022-08-22T14:46:32Z","modified":"2024-08-03T17:01:07Z","updated_at":"2026-11-03T03:25:12.535968Z"}],"ghsa":[{"id":"GHSA-hq9j-p426-983m","title":"A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do...","description":"A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2022-08-23T00:00:17Z","modified":"2023-01-31T05:05:24Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1188"],"updated_at":"2026-11-02T14:48:50.987758Z"}],"nvd":[{"id":"CVE-2021-3586","description":"A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2022-08-22T15:15:13.527Z","modified":"2026-06-17T04:05:23.5Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-1188"],"updated_at":"2026-11-02T14:07:06.906968Z"}],"osv":[{"id":"RHSA-2021:2380","title":"Red Hat Security Advisory: servicemesh-operator security update","status":"published","published":"2024-09-16T06:03:42Z","modified":"2026-03-18T11:31:11.535707Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:08.619234Z"}]}}