PT-2022-9683 · Unknown · Ingress-Nginx

Anthony Weems + 3 · Published 2022-05-06 · Updated 2024-03-06 · CVE-2021-25746

Positive Technologies (AI Summary)

CVSS v3.1

7.6

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Name of the Vulnerable Software and Affected Versions ingress-nginx (affected versions not specified)

Description A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use .metadata.annotations in an Ingress object to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BIT-NGINX-INGRESS-CONTROLLER-2021-25746

CVE-2021-25746

Affected Products

Ingress-Nginx

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-25746 · Security Note
• https://osv.dev/vulnerability/BIT-nginx-ingress-controller-2021-25746 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-25746 · Vendor Advisory
• https://github.com/kubernetes/ingress-nginx/issues/8503 · Note
• https://security.netapp.com/advisory/ntap-20220609-0006 · Note
• https://t.me/cibsecurity/42089 · Telegram Post
• https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ · Note