Vulnerability Details : CVE-2021-25745

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[].path field of 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.
Published 2022-05-06 01:15:09
Updated 2022-12-02 22:41:53
Source Kubernetes
View at NVD,   CVE.org
Vulnerability category: Input validation

Exploit prediction scoring system (EPSS) score for CVE-2021-25745

Probability of exploitation activity in the next 30 days: 0.10%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 40 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-25745

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:N
8.0
4.9
 NIST
7.6
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
2.8
4.7
 Kubernetes
8.1
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
2.8
5.2
 NIST

CWE ids for CVE-2021-25745

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by:
    • jordan@liggitt.net (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2021-25745

Products affected by CVE-2021-25745

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