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.
https://security.netapp.com/advisory/ntap-20211203-0001/
https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY
https://www.ibm.com/support/pages/node/6501909
https://github.com/kubernetes/ingress-nginx/issues/7837
Source: Mitre, NVD
Published: 2021-10-29
Updated: 2021-12-15
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N
Severity: Medium
Base Score: 7.1
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Severity: High
EPSS: 0.00676