🛡️ CVE-2020-8553 — ingress-nginx

⚪ Unknown ✅ No Known Exploit CWE-610 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

ingress-nginx component for Kubernetes allows file overwrite

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

Affected software

CVE-2020-8553 is recorded against 1 package.

  • k8s.io/ingress-nginx

Timeline and source

Published on 24 May 2022 and last revised on 7 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
CWE CWE-610
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-12
Modified 2026-08-07
Fix URL N/A

Affected Packages

Software From version Fixed in
k8s.io/ingress-nginx — —

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