{"action":"Upgrade kubernetes to 1.20.5+really1.20.2-1 or later.","affected":[{"fixed":"1.20.5+really1.20.2-1","introduced":"0"}],"component":"kubernetes","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.20.5+really1.20.2-1"],"id":"tcs_01M5NFFW96CP7AD3NE9KDZETR5","modified_at":"2026-10-23T18:04:49.580814501Z","published_at":"2021-09-06T12:15:07.617Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-25735","https://security-tracker.debian.org/tracker/CVE-2021-25735"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-25735#Debian:14/kubernetes","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-25735"}],"summary":"A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook. Clusters are only affected by this vulnerability if they run a Validating Admi"}