CVE-2021-31999

A Reliance on Untrusted Inputs in a Security Decision vulnerability in Rancher allows users in the cluster to act as others users in the cluster by forging the "Impersonate-User" or "Impersonate-Group" headers. This issue affects: Rancher versions prior to 2.5.9. Rancher versions prior to 2.4.16.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.suse.com/show_bug.cgi?id=1187084	Issue Tracking Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:rancher:rancher::::::::
	cpe:2.3:a:rancher:rancher::::::::

History

30 Jul 2021, 13:42

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 8.8
References	~~(CONFIRM) https://bugzilla.suse.com/show_bug.cgi?id=1187084 -~~	(CONFIRM) https://bugzilla.suse.com/show_bug.cgi?id=1187084 - Issue Tracking, Release Notes, Third Party Advisory
CWE		CWE-807
CPE		cpe:2.3:a:rancher:rancher::::::::

15 Jul 2021, 09:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-07-15 09:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-31999

Mitre link : CVE-2021-31999

CVE.ORG link : CVE-2021-31999

JSON object : View

Products Affected

rancher

rancher

CWE

CWE-807

Reliance on Untrusted Inputs in a Security Decision

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