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CVE-2023-2728

MEDIUM
Published 2023-07-03T20:06:11.796Z
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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.032
probability
of exploitation in the wild

There is a 3.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.866
Higher than 86.6% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

Users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Kubernetes

Kubernetes

Affected Versions:

v1.24.14 v1.25.0 - v1.25.10 v1.26.0 - v1.26.5 v1.27.0 - v1.27.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Kubernetes mountable secrets policy bypass

GHSA-cgcv-5272-97pr

Advisory Details

Users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.

Affected Packages

Go k8s.io/kubernetes
ECOSYSTEM: ≥1.27.0 <1.27.3
Go k8s.io/kubernetes
ECOSYSTEM: ≥1.26.0 <1.26.6
Go k8s.io/kubernetes
ECOSYSTEM: ≥1.25.0 <1.25.11
Go k8s.io/kubernetes
ECOSYSTEM: ≥0 <1.24.15

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-2728
WEB https://github.com/kubernetes/kubernetes/issues/118640
WEB https://github.com/kubernetes/kubernetes/pull/118356
WEB https://github.com/kubernetes/kubernetes/pull/118471
WEB https://github.com/kubernetes/kubernetes/pull/118473
WEB https://github.com/kubernetes/kubernetes/pull/118474
WEB https://github.com/kubernetes/kubernetes/pull/118512
PACKAGE https://github.com/kubernetes/kubernetes
WEB https://groups.google.com/g/kubernetes-security-announce/c/vPWYJ_L84m8
WEB https://security.netapp.com/advisory/ntap-20230803-0004
WEB http://www.openwall.com/lists/oss-security/2023/07/06/3

Advisory provided by GitHub Security Advisory Database. Published: July 3, 2023, Modified: February 13, 2025

References

https://groups.google.com/g/kubernetes-security-announce/c/vPWYJ_L84m8
https://github.com/kubernetes/kubernetes/issues/118640
http://www.openwall.com/lists/oss-security/2023/07/06/3
https://security.netapp.com/advisory/ntap-20230803-0004/
Published: 2023-07-03T20:06:11.796Z
Last Modified: 2025-02-13T16:45:20.353Z
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