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
  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
  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
openSUSE Tumbleweed
  • govulncheck-vulndb >= 0.0.20250807T150727-1.1
 Patchnames:
openSUSE-Tumbleweed-2025-15424

SUSE Timeline for this CVE

CVE page created: Fri Apr 30 15:39:49 2021
CVE page last modified: Wed Aug 13 14:03:31 2025