Medium severity · published Jul 29, 2020
CVE-2020-8553
The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password…
5.9
CVSS
0.9%
EPSS
No
On KEV
Description
The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Ingress-nginx · Kubernetes
before 0.28.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8553
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8553
Third Party Advisory
https://github.com/kubernetes/ingress-nginx/issues/5126
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