CVE-2021-1478 : Security Advisory and Response
CVE-2021-1478: A vulnerability in the Cisco Unified Communications Manager could allow a remote attacker to cause a denial of service (DoS) condition. Learn about the impact, exploitation, and mitigation.
A vulnerability in the Java Management Extensions (JMX) component of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected system.
Understanding CVE-2021-1478
This CVE involves a vulnerability in Cisco Unified Communications Manager that could lead to a DoS attack if exploited.
What is CVE-2021-1478?
The CVE-2021-1478 vulnerability exists in the JMX component of Cisco Unified Communications Manager and Unified CM SME. An attacker could exploit this flaw to disrupt the system by accessing an unsecured TCP/IP port.
The Impact of CVE-2021-1478
If successfully exploited, this vulnerability could result in a denial of service (DoS) condition on the affected system.
Technical Details of CVE-2021-1478
This section provides technical details related to the CVE.
Vulnerability Description
The vulnerability is due to an unsecured TCP/IP port, granting an attacker the ability to restart the JMX process, leading to a DoS condition on the system.
Affected Systems and Versions
The affected product is the Cisco Unified Communications Manager. The specific affected version information is not available.
Exploitation Mechanism
To exploit this vulnerability, an authenticated attacker must access the unsecured port and restart the JMX process to initiate a DoS attack.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-1478, follow these guidelines:
Immediate Steps to Take
Implement network security best practices, restrict access to vulnerable ports, and monitor network traffic for any unusual activities.
Long-Term Security Practices
Regularly update and patch the Unified Communications Manager to address security vulnerabilities promptly. Stay informed about security advisories from Cisco.
Patching and Updates
Apply recommended patches and updates from Cisco to protect the system from potential cyber threats.