{"id":"CVE-2021-25742","details":"A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.","modified":"2026-07-09T00:38:09.771474Z","published":"2021-10-29T04:15:08.220Z","related":["openSUSE-SU-2024:11726-1"],"references":[{"type":"ADVISORY","url":"https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211203-0001/"},{"type":"REPORT","url":"https://github.com/kubernetes/ingress-nginx/issues/7837"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kubernetes/ingress-nginx","events":[{"introduced":"0"},{"fixed":"29b55195045d399960f474e4f8e41095d37ff69b"},{"introduced":"f207702c3080d679ae86307eafbc16b0d3098e6c"},{"last_affected":"f207702c3080d679ae86307eafbc16b0d3098e6c"}],"database_specific":{"cpe":["cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*","cpe:2.3:a:kubernetes:ingress-nginx:1.0.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"0"},{"fixed":"0.49.1"},{"introduced":"1.0.0"},{"last_affected":"1.0.0"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["1.0.0","helm-chart-4.0.1","controller-v1.0.0","helm-chart-3.36.0","controller-v0.49.0","helm-chart-3.35.0","controller-v0.48.1","helm-chart-3.34.0","controller-v0.47.0","helm-chart-3.33.0","helm-chart-3.32.0","helm-chart-3.31.0","helm-chart-3.30.0","controller-v0.46.0","helm-chart-3.29.0","helm-chart-3.28.0","controller-v0.45.0","helm-chart-3.27.0","helm-chart-3.26.0","helm-chart-3.24.0","helm-chart-3.25.0","controller-v0.44.0","helm-chart-3.23.0","helm-chart-3.22.0","helm-chart-3.21.0","helm-chart-3.20.1","helm-chart-3.20.0","controller-v0.42.0","controller-v0.43.0","helm-chart-3.19.0","helm-chart-3.18.0","helm-chart-3.17.0","helm-chart-3.16.1","helm-chart-3.16.0","ingress-nginx-3.15.2","ingress-nginx-3.15.1","ingress-nginx-3.15.0","ingress-nginx-3.13.0","ingress-nginx-3.12.0","ingress-nginx-3.11.1","ingress-nginx-3.11.0","controller-v0.41.2","ingress-nginx-3.10.1","controller-v0.41.1","ingress-nginx-3.10.0","ingress-nginx-3.9.0","ingress-nginx-3.8.0","controller-v0.41.0","ingress-nginx-3.7.1","ingress-nginx-3.4.1","ingress-nginx-3.7.0","ingress-nginx-3.6.0","ingress-nginx-3.5.1","ingress-nginx-3.5.0","controller-v0.40.2","ingress-nginx-3.4.0","controller-v0.40.1","ingress-nginx-3.3.1","controller-v0.40.0","ingress-nginx-3.3.0","ingress-nginx-3.2.0","ingress-nginx-3.1.0","ingress-nginx-3.0.0","ingress-nginx-2.16.0","ingress-nginx-2.15.0","ingress-nginx-2.14.0","ingress-nginx-2.13.0","controller-v0.35.0","ingress-nginx-2.12.1","ingress-nginx-2.12.0","ingress-nginx-2.11.3","ingress-nginx-2.11.2","controller-v0.34.1","ingress-nginx-2.11.1","ingress-nginx-2.11.0","controller-v0.34.0","ingress-nginx-2.10.0","ingress-nginx-2.9.1","ingress-nginx-2.9.0","ingress-nginx-2.8.0","ingress-nginx-2.7.1","ingress-nginx-2.7.0","ingress-nginx-2.6.0","ingress-nginx-2.5.0","ingress-nginx-2.4.0","ingress-nginx-2.0.3","ingress-nginx-2.3.0","ingress-nginx-2.2.0","ingress-nginx-2.1.0","ingress-nginx-2.0.2","ingress-nginx-2.0.1","ingress-nginx-2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25742.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"}]}