CVE-2019-15977 : Vulnerability Insights and Analysis

Cisco Data Center Network Manager (DCNM) contains authentication bypass vulnerabilities that could allow unauthorized access to vulnerable devices.

Understanding CVE-2019-15977

Cisco DCNM is affected by flaws in its authentication mechanisms, potentially enabling remote attackers to execute unauthorized actions with administrative privileges.

What is CVE-2019-15977?

The vulnerability in Cisco DCNM allows unauthenticated remote attackers to bypass authentication and perform unauthorized activities with administrative privileges on vulnerable devices.

The Impact of CVE-2019-15977

The vulnerability has a CVSS base score of 9.8 (Critical) with high impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2019-15977

Cisco DCNM authentication bypass vulnerability details.

Vulnerability Description

The flaw allows remote unauthenticated attackers to sidestep authentication and gain administrative access.

Affected Systems and Versions

Product: Cisco Data Center Network Manager
Vendor: Cisco
Versions: Unspecified

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High

Mitigation and Prevention

Steps to address and prevent the CVE-2019-15977 vulnerability.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any suspicious activity.
Restrict network access to the affected systems.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement strong network segmentation and access controls.
Conduct regular security audits and assessments.

Patching and Updates

Cisco has released patches to address the authentication bypass vulnerabilities in DCNM.