SCA: security update for k8s.io/kubernetes (GHSA-x6mj-w4jf-jmgw)

medium Tenable Self-Hosted Container Security Plugin ID 420337

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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). (CVE-2020-8555)

See Also

https://github.com/advisories/GHSA-x6mj-w4jf-jmgw

Plugin Details

Severity: Medium

ID: 420337

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 50.87

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:N/A:N

CVSS Score Source: CVE-2020-8555

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.5

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/15/2022

Vulnerability Publication Date: 6/1/2020

Reference Information

CVE: CVE-2020-8555

cwe: CWE-918