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CVE-2021-25745

HIGH
Published 2022-05-06T00:50:14.042796Z
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CVSS Score

V3.1
7.6
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.397
Higher than 39.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
LOW
Availability
LOW

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Kubernetes

Kubernetes ingress-nginx

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Improper Input Validation in k8s.io/ingress-nginx

GHSA-pvmg-xgmx-9mxh

Advisory Details

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.

Affected Packages

Go k8s.io/ingress-nginx
ECOSYSTEM: ≥0 <1.2.0

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-25745
WEB https://github.com/kubernetes/ingress-nginx/issues/8502
PACKAGE https://github.com/kubernetes/ingress-nginx
WEB https://groups.google.com/g/kubernetes-security-announce/c/7vQrpDZeBlc
WEB https://security.netapp.com/advisory/ntap-20220609-0006

Advisory provided by GitHub Security Advisory Database. Published: May 7, 2022, Modified: May 25, 2022

References

https://groups.google.com/g/kubernetes-security-announce/c/7vQrpDZeBlc
https://github.com/kubernetes/ingress-nginx/issues/8502
https://security.netapp.com/advisory/ntap-20220609-0006/
Published: 2022-05-06T00:50:14.042796Z
Last Modified: 2024-09-16T18:24:11.711Z
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