CVE-2021-25737

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-25737
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.

2.7 /10

CVSS v3 : LOW

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.9 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://github.com/kubernetes/kubernetes/issues/102106 Patch Third Party Advisory
https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20211004-0004/ Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/102106 Patch Third Party Advisory
https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20211004-0004/ Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.21.0:-:*:*:*:*:*:*
History

21 Nov 2024, 05:55

Type Values Removed Values Added
CVSS v2 : 4.9
v3 : 4.8 		v2 : 4.9
v3 : 2.7
References () https://github.com/kubernetes/kubernetes/issues/102106 - Patch, Third Party Advisory () https://github.com/kubernetes/kubernetes/issues/102106 - Patch, Third Party Advisory
References () https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY - Mailing List, Third Party Advisory () https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY - Mailing List, Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20211004-0004/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20211004-0004/ - Third Party Advisory

07 Oct 2021, 17:55

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20211004-0004/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20211004-0004/ - Third Party Advisory

04 Oct 2021, 19:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211004-0004/ -

13 Sep 2021, 12:13

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.9
v3 : 4.8
References (MISC) https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY - (MISC) https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY - Mailing List, Third Party Advisory
References (MISC) https://github.com/kubernetes/kubernetes/issues/102106 - (MISC) https://github.com/kubernetes/kubernetes/issues/102106 - Patch, Third Party Advisory
CPE cpe:2.3:a:kubernetes:kubernetes:1.21.0:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
CWE CWE-601

06 Sep 2021, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-06 12:15

Updated : 2024-11-21 05:55

NVD link : CVE-2021-25737

Mitre link : CVE-2021-25737

CVE.ORG link : CVE-2021-25737

JSON object : View

Products Affected

kubernetes

  • kubernetes
CWE
CWE-184

Incomplete List of Disallowed Inputs

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')