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CVE-2020-8565

MEDIUM
Published 2020-12-07T22:00:19.374983Z
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CVSS Score

V3.1
4.7
/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.185
Higher than 18.5% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Description

In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.3, <= v1.18.10, <= v1.17.13, < v1.20.0-alpha2.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Kubernetes

Kubernetes

Affected Versions:

<= 1.19.3 <= 1.18.10 <= 1.17.13 < 1.20.0-alpha2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Kubernetes client-go vulnerable to Sensitive Information Leak via Log File

GHSA-8cfg-vx93-jvxw

Advisory Details

In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.5, <= v1.18.13, <= v1.17.15, < v1.20.0-alpha2.

Affected Packages

Go k8s.io/client-go
ECOSYSTEM: ≥0.19.0 <0.19.6
Go k8s.io/client-go
ECOSYSTEM: ≥0.20.0-alpha.0 <0.20.0-alpha.2
Go k8s.io/client-go
ECOSYSTEM: ≥0.18.0 <0.18.14
Go k8s.io/client-go
ECOSYSTEM: ≥0 <0.17.16
Go k8s.io/kubernetes
ECOSYSTEM: ≥0 <1.20.0-alpha.2

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-8565
WEB https://github.com/kubernetes/kubernetes/issues/95623
WEB https://github.com/kubernetes/kubernetes/pull/95316
WEB https://github.com/kubernetes/client-go/commit/19875a3d5a2e0d4f51c976a9e0662de3c2c011e3
WEB https://github.com/kubernetes/client-go/commit/1b8383fc150c9b816b0072032cca75754c2734d0
WEB https://github.com/kubernetes/client-go/commit/44e1a07f2d513e375c4b6ee6e890040b47befe86
WEB https://github.com/kubernetes/client-go/commit/e8f871a2e5fadf90fc114565abc0963967f1a373
WEB https://github.com/kubernetes/kubernetes/commit/e99df0e5a75eb6e86123b56d53e9b7ca0fd00419
PACKAGE https://github.com/kubernetes/client-go
WEB https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
WEB https://pkg.go.dev/vuln/GO-2021-0064

Advisory provided by GitHub Security Advisory Database. Published: February 6, 2023, Modified: May 20, 2024

References

https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
https://github.com/kubernetes/kubernetes/issues/95623
Published: 2020-12-07T22:00:19.374983Z
Last Modified: 2024-09-17T00:05:58.669Z
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