Medium severity5.3NVD Advisory· Published May 6, 2021· Updated Jun 17, 2026
CVE-2021-1478
CVE-2021-1478
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- cpe:2.3:a:cisco:hosted_collaboration_mediation_fulfillment:*:*:*:*:*:*:*:*Range: <12.6
cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:*+ 3 more
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:*range: <12.6
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:*range: <12.6
- (no CPE)
- (no CPE)range: n/a
Patches
Vulnerability mechanics
References
1News mentions
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