vulnerability
Arch Linux: Information disclosure (CVE-2021-25742)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:S/C:P/I:P/A:N) | Oct 29, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published
Oct 29, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue was discovered in ingress-nginx before versions 1.0.1 and 0.49.1 where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.
This issue cannot be fixed solely by upgrading ingress-nginx. To mitigate, set allow-snippet-annotations to false in your ingress-nginx ConfigMap based on how you deploy ingress-nginx, see the references for more information.
This issue cannot be fixed solely by upgrading ingress-nginx. To mitigate, set allow-snippet-annotations to false in your ingress-nginx ConfigMap based on how you deploy ingress-nginx, see the references for more information.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-25742
- https://attackerkb.com/topics/CVE-2021-25742
- URL-https://github.com/kubernetes/ingress-nginx/issues/7837
- URL-https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY
- URL-https://security.archlinux.org/ASA-202111-7
- URL-https://security.netapp.com/advisory/ntap-20211203-0001/
- CWE-20
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.