CVE-2021-31999

EUVD-2024-1271
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
suseCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
Affected Products (NVD)
VendorProductVersion
rancherrancher
𝑥
< 2.4.16
rancherrancher
2.5.0 ≤
𝑥
< 2.5.9
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://bugzilla.suse.com/show_bug.cgi?id=1187084
https://bugzilla.suse.com/show_bug.cgi?id=1187084