Is CVE-2020-8553 in the CISA KEV catalog?

No. CVE-2020-8553 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8553?

CVE-2020-8553 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2020-8553?

CVE-2020-8553 has an EPSS score of 0.89% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8553?

Upgrade ingress-nginx to 0.28.0 or later.

CVE & CISA-KEV Catalog

CVE-2020-8553

MEDIUM

5.9

CVSS v3

NVD

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.

CWE-73External Control of File Name or Path CWE-610

How to fix

Remediation Available

ingress-nginxNVD

Affected:< 0.28.0Fixed in:0.28.0CVE-2020-8553derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.89%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Third-Party Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.