CVE-2021-25746

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-25746
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 (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.

7.6 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.5 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:N

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://github.com/kubernetes/ingress-nginx/issues/8503 Issue Tracking Mitigation Third Party Advisory
https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ Issue Tracking Mitigation Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0006/ Third Party Advisory
https://github.com/kubernetes/ingress-nginx/issues/8503 Issue Tracking Mitigation Third Party Advisory
https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ Issue Tracking Mitigation Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0006/ Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*
History

21 Nov 2024, 05:55

Type Values Removed Values Added
CVSS v2 : 5.5
v3 : 7.1 		v2 : 5.5
v3 : 7.6
References () https://github.com/kubernetes/ingress-nginx/issues/8503 - Issue Tracking, Mitigation, Third Party Advisory () https://github.com/kubernetes/ingress-nginx/issues/8503 - Issue Tracking, Mitigation, Third Party Advisory
References () https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ - Issue Tracking, Mitigation, Third Party Advisory () https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ - Issue Tracking, Mitigation, Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20220609-0006/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20220609-0006/ - Third Party Advisory

02 Dec 2022, 23:05

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20220609-0006/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20220609-0006/ - Third Party Advisory

09 Jun 2022, 19:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20220609-0006/ -

13 May 2022, 19:38

Type Values Removed Values Added
References (MISC) https://github.com/kubernetes/ingress-nginx/issues/8503 - (MISC) https://github.com/kubernetes/ingress-nginx/issues/8503 - Issue Tracking, Mitigation, Third Party Advisory
References (MISC) https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ - (MISC) https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ - Issue Tracking, Mitigation, Third Party Advisory
CPE cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.5
v3 : 7.1
CWE CWE-20

06 May 2022, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-05-06 01:15

Updated : 2024-11-21 05:55

NVD link : CVE-2021-25746

Mitre link : CVE-2021-25746

CVE.ORG link : CVE-2021-25746

JSON object : View

Products Affected

kubernetes

  • ingress-nginx
CWE
CWE-20

Improper Input Validation