Cyber Resilience

CVE-2021-36783

Critical

Published: 07 September 2022

Published
07 September 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0048 65.4th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-36783 is a critical-severity Insufficiently Protected Credentials (CWE-522) vulnerability in Suse Rancher. Its CVSS base score is 9.9 (Critical).

Operationally, ranked in the top 34.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A Insufficiently Protected Credentials vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners and Project Members to read credentials, passwords and API tokens that have been stored in cleartext and exposed via API endpoints. This issue affects:…

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SUSE Rancher Rancher versions prior to 2.6.4; Rancher versions prior to 2.5.13.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

suse
rancher
2.5.0 — 2.5.13 · 2.6.0 — 2.6.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-522

Training instructs users on protecting credentials from disclosure or unauthorized access.

addresses: CWE-522

Training records for security awareness and role-based training verify education on credential protection practices, tangibly reducing risks from mishandling or exposing credentials.

addresses: CWE-522

Protecting authenticator content from unauthorized disclosure and modification while requiring protective controls addresses insufficiently protected credentials.

addresses: CWE-522

Rules of behavior include credential protection and non-sharing requirements, reducing exposure of insufficiently protected credentials.

addresses: CWE-522

Terminating or revoking credentials stops use of insufficiently protected or lingering credentials post-termination.

addresses: CWE-522

Requiring confidentiality/integrity protection for stored credentials directly mitigates insufficiently protected credentials on disk or in configuration stores.

addresses: CWE-522

Credentials or keys delivered out-of-band are not exposed to interception or inadequate protection on the main transport.

References