CVE-2021-36782 : Vulnerability Insights and Analysis
Critical CVE-2021-36782 in SUSE Rancher exposes plaintext sensitive data via Kubernetes API. Learn impact, affected versions, and mitigation steps.
A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated users to access sensitive data via the Kubernetes API. This vulnerability affects Rancher versions prior to 2.5.16 and 2.6.7.
Understanding CVE-2021-36782
This CVE involves a vulnerability in SUSE Rancher that enables authorized users to retrieve plaintext sensitive data through the Kubernetes API.
What is CVE-2021-36782?
CVE-2021-36782 is a Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher that impacts versions prior to 2.5.16 and 2.6.7. It allows authenticated users to access plaintext sensitive data.
The Impact of CVE-2021-36782
The vulnerability poses a critical risk with a CVSS base score of 9.9, affecting confidentiality, integrity, and availability. It requires low privileges but can result in high impact through the exposure of sensitive information.
Technical Details of CVE-2021-36782
This section details the specifics of the vulnerability.
Vulnerability Description
The vulnerability enables Cluster Owners, Cluster Members, and other authorized users to retrieve plaintext sensitive data via the Kubernetes API.
Affected Systems and Versions
SUSE Rancher versions prior to 2.5.16 and 2.6.7 are affected by this vulnerability.
Exploitation Mechanism
Authenticated users can exploit this vulnerability by utilizing the Kubernetes API to access sensitive information stored in plaintext.
Mitigation and Prevention
Protecting systems from CVE-2021-36782 is crucial to maintaining security.
Immediate Steps to Take
- Update Rancher to versions 2.5.16 or 2.6.7 to mitigate the vulnerability.
- Monitor access to sensitive data and restrict privileges accordingly.
Long-Term Security Practices
- Implement encryption mechanisms to secure sensitive data.
- Regularly audit and review user permissions and access controls.
Patching and Updates
Stay informed about security updates from SUSE and apply patches promptly to address vulnerabilities like CVE-2021-36782.