Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object

CVE-2021-36782
9.9CRITICAL

Key Information

Vendor
Suse
Status
Rancher
Vendor
CVE Published:
7 September 2022

Badges

👾 Exploit Exists🔴 Public PoC

Summary

A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners, Project Members and User Base to use the Kubernetes API to retrieve plaintext version of sensitive data. This issue affects: SUSE Rancher Rancher versions prior to 2.5.16; Rancher versions prior to 2.6.7.

Affected Version(s)

Rancher < 2.5.16

Rancher < 2.6.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

tf-cve-2021-36782
Created by fe-ax

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit exists.

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)

Credit

Florian Struck (from Continum AG) and Marco Stuurman (from Shock Media B.V.)
.