CVE-2021-31999

HIGH · CVSS 8.8 EPSS 1.05%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-15 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-31999

Severity

HIGH

CVSS

8.8

EPSS

1.05%

Original NVD 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.