Upstream information

CVE-2021-25737 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 4.9
Vector AV:N/AC:M/Au:S/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
CVSS v3 Scores
CVSS detail National Vulnerability Database SUSE
Base Score 4.8 2.7
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required High High
User Interaction Required None
Scope Changed Unchanged
Confidentiality Impact Low Low
Integrity Impact Low None
Availability Impact None None
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1185503 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Server 16.0
  • govulncheck-vulndb >= 0.0.20250814T182633-160000.1.2
 Patchnames:
SUSE Linux Enterprise Server 16.0 GA govulncheck-vulndb-0.0.20250814T182633-160000.1.2
openSUSE Tumbleweed
  • govulncheck-vulndb >= 0.0.20250807T150727-1.1
 Patchnames:
openSUSE-Tumbleweed-2025-15424

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Server 16.1 govulncheck-vulndb Affected
SUSE Linux Enterprise Server for SAP applications 16.1 govulncheck-vulndb Affected

SUSE Timeline for this CVE

CVE page created: Fri Apr 30 15:39:49 2021
CVE page last modified: Thu Feb 26 14:05:07 2026