CVE-2021-36782

unknown

Published 2022-09-23 · Modified 2026-03-13

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CVSS v3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

1.0

Description

Rancher API and cluster.management.cattle.io object vulnerable to plaintext storage and exposure of credentials

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

auxiliary_gather/rancher_authenticated_api_cred_exposure rank 300

Rancher Authenticated API Credential Exposure

Source fetch failed: fetch_error — view the original via the link above.

OS impact

OS	Version	Status	Fixed in
sles		affected

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/rancher/rancher	`>=2.5.0,<2.5.16`	`2.5.16`
Go	github.com/rancher/rancher	`>=2.6.0,<2.6.7`	`2.6.7`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.