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CVE-2021-1478

5.3 · MEDIUM

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 C…

Published May 6, 2021CWE-284EPSS 1.01%

Overview

CVE-2021-1478 is a medium-severity vulnerability. It was published on May 6, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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. This vulnerability is due to an unsecured TCP/IP port. An attacker could exploit this vulnerability by accessing the port and restarting the JMX process. A successful exploit could allow the attacker to cause a DoS condition on an affected system.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-dos-OO4SRYEfReftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-dos-OO4SRYEf

How CyberStrike helps

Frequently asked questions

What is CVE-2021-1478?

CVE-2021-1478 is a medium-severity vulnerability. It was published on May 6, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2021-1478?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-1478?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-1478?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-1478 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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