CVE Tools
Sign in

CVE-2021-1478

Cisco Unified Communications Manager Denial of Service Vulnerability

Published: May 6, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-284
5.3MEDIUM
NVD MITRE
EPSS Score
1.0%
Top 40.0%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-284NVD-CWE-Other

Affected Products

Cisco Systems Inc.
commercial·USaka Cisco, cisco systems
Cisco Unified Communications Manager
Networking Infrastructure
hosted collaboration mediation fulfillment
Networking Infrastructure
unified communications manager
Networking Infrastructure
Cisco Hosted Collaboration Mediation Fulfillment
Networking Infrastructure

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2021-1478?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-dos-OO4SRYEf
tools.cisco.com
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-dos-OO4SRYEf
tools.cisco.com
https://www.cybersecurity-help.cz/vdb/SB2021050624
cybersecurity-help.cz

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-1478 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows