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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2021-31999

Rancher: Privilege escalation vulnerability via malicious Connection header

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Rancher Rancher

  • Rancher to < 2.5.9affected

Rancher SUSE Linux Enterprise Server 15

  • Rancher to < 2.4.16affected

References