CVE-2021-25320 is an Improper Access Control vulnerability in Rancher versions prior to 2.5.9 and 2.4.16. It allows authenticated users within a cluster to bypass access checks and make requests to cloud providers using attached cloud credentials. This critical vulnerability has a CVSS score of 9.9, indicating it can be exploited remotely with low complexity by a low-privileged attacker, leading to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.4.16CPE matchmatch criteria | cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:* | ||
>= 2.5.0, < 2.5.9CPE matchmatch criteria | cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.