Is CVE-2020-8555 in the CISA KEV catalog?

No. CVE-2020-8555 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8555?

CVE-2020-8555 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2020-8555?

CVE-2020-8555 has an EPSS score of 3.68% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8555?

Upgrade kubernetes on debian 11 to 1.18.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-8555

MEDIUMEPSS 88th pctl

6.3

CVSS v3

NVD

Description

The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).

CWE-918Server-Side Request Forgery (SSRF)

How to fix

Remediation Available

kubernetesDebian

Fixed in:1.18.2-1CVE-2020-8555

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 RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

3.68%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Third-Party Advisory5

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-21893	High	8.2	100%	KEV + Ransom	-
CVE-2021-40438	Critical	9.0	100%	KEV	Fix
CVE-2021-34473	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-26855	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41040	High	8.8	100%	KEV + Ransom	Fix

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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.