CVE-2019-12621 Explained : Impact and Mitigation

Cisco HyperFlex Static SSL Key Vulnerability is a security flaw in Cisco HyperFlex Software that allows unauthenticated remote attackers to conduct man-in-the-middle attacks by exploiting encryption key management.

Understanding CVE-2019-12621

This CVE involves a vulnerability in Cisco HyperFlex Software that could be exploited by attackers to intercept communication within a cluster.

What is CVE-2019-12621?

The vulnerability stems from inadequate encryption key management in Cisco HyperFlex Software, enabling attackers to perform man-in-the-middle attacks by manipulating communication between cluster nodes.

The Impact of CVE-2019-12621

The vulnerability poses a medium severity risk with high confidentiality and integrity impacts, allowing attackers to intercept and manipulate cluster communication.

Technical Details of CVE-2019-12621

Cisco HyperFlex Static SSL Key Vulnerability specifics.

Vulnerability Description

An unauthenticated remote attacker can exploit inadequate encryption key management in Cisco HyperFlex Software to conduct man-in-the-middle attacks.

Affected Systems and Versions

Product: Cisco HyperFlex HX-Series
Vendor: Cisco
Versions Affected: < 4.0(1a)

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
User Interaction: Required
CVSS Base Score: 6.8 (Medium Severity)

Mitigation and Prevention

Protecting systems from CVE-2019-12621.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any signs of unauthorized access.
Implement strong encryption protocols and key management practices.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and assessments to identify and mitigate potential risks.

Patching and Updates

Refer to the vendor's security advisory for specific patching instructions and updates.