Detections
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SCA: security update for k8s.io/kubernetes (GHSA-mfv7-gq43-w965)

medium Tenable Cloud Security Plugin ID 416931

Description

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

 - A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private
 networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local
 range, but the same validation was not performed on EndpointSlice IPs. (CVE-2021-25737)

See Also

https://github.com/advisories/GHSA-mfv7-gq43-w965

Plugin Details

Severity: Medium

ID: 416931

Version: Revision 1.5

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: 2.3

Percentile: 8.69

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2021-25737

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/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: 9/7/2021

Vulnerability Publication Date: 5/18/2021

Reference Information

CVE: CVE-2021-25737