CVE-2021-25737

MediumCVSS 4.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-184 CWE-601

Affected software

No affected versions have been published.

Timeline

Published: Sep 6, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-257386.7Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.CVE-2021-257403.1A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have a CVE-2021-257418.1A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & di CVE-2021-257427.1A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature CVE-2021-257433.0kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not l CVE-2021-257458.1A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[CVE-2021-257467.1A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use .metadata.annotations in an CVE-2021-257486.5A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use a newline character to bypas CVE-2021-257497.8Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.CVE-2021-257552.5In JetBrains Code With Me before 2020.3, an attacker on the local network, knowing a session ID, could get access to the encrypted traffic.CVE-2021-257565.3In JetBrains IntelliJ IDEA before 2020.2, HTTP links were used for several remote repositories instead of HTTPS.CVE-2021-257576.1In JetBrains Hub before 2020.1.12629, an open redirect was possible.