CVEvulnerability

CVE-2021-31999

8.8 HIGH Published 2021-07-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-07-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
CWE-807

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 configurations

• rancher rancher (< 2.4.16) • rancher rancher (>= 2.5.0 < 2.5.9)

Related

Weakness · CWE (1)

  • CWE-807 Reliance on Untrusted Inputs in a Security Decision weakness

References