Medium severity · published Dec 7, 2020
CVE-2020-8565
In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files
5.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KU
Kubernetes · Kubernetes
1.17.0 through 1.17.13; 1.18.0 through 1.18.10; 1.19.0 through 1.19.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8565
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8565
Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/95623
Mailing List
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
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