CVE-2019-15976 Explained : Impact and Mitigation

Cisco Data Center Network Manager (DCNM) has been identified with authentication bypass vulnerabilities that could allow unauthorized access to devices.

Understanding CVE-2019-15976

Multiple weaknesses in the authentication methods of Cisco DCNM could enable a remote attacker to bypass authentication and gain administrative privileges on the targeted device.

What is CVE-2019-15976?

The vulnerabilities in Cisco DCNM's authentication mechanisms could permit an attacker to bypass authentication, leading to unauthorized actions with administrative rights on the affected device.

The Impact of CVE-2019-15976

The vulnerabilities have a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of the system.

Technical Details of CVE-2019-15976

Cisco Data Center Network Manager Authentication Bypass Vulnerabilities

Vulnerability Description

Weaknesses in authentication methods allow remote attackers to bypass authentication
Attackers can perform unauthorized actions with administrative privileges

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
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches and updates promptly
Monitor Cisco's security advisories for any new information Long-Term Security Practices
Implement strong authentication mechanisms
Regularly update and patch software to address vulnerabilities
Conduct security assessments and audits periodically

Patching and Updates

Refer to Cisco's security advisory for specific patch details and instructions