Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-36775

28
FAUCET Score

CVE-2021-36775 is an Improper Access Control vulnerability in SUSE Rancher versions prior to 2.4.18, 2.5.12, and 2.6.3, allowing users to retain revoked privileges. This vulnerability carries a high CVSS score of 8.8, indicating a network-exploitable flaw with low attack complexity that can lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.18CPE matchmatch criteria
cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*
>= 2.5.0, < 2.5.12CPE matchmatch criteria
cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*
>= 2.6.0, < 2.6.3CPE matchmatch criteria
cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.93%
Probability of exploitation in next 30 days
EPSS Percentile
57.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0093 is in the 52nd percentile among its peer group of 17,808 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.4.18
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.5.12
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.6.3

Vendor Advisories (1)

goGHSA-28g7-896h-695vhigh

Rancher's Failure to delete orphaned role bindings does not revoke project level access from group based authentication

Apr 24, 2024

References

bugzilla.suse.com / show_bug.cgi
Issue TrackingThird Party Advisory