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CVE-2021-1478— Cisco Unified Communications Manager Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Unified Communications Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Unified Communications Manager（CUCM，Unified CM，CallManager）是美国思科（Cisco）公司的一款统一通信系统中的呼叫处理组件。该组件提供了一种可扩展、可分布和高可用的企业IP电话呼叫处理解决方案。 Cisco Unified Communications Manager 存在安全漏洞，该漏洞允许经过身份验证的远程攻击者在受影响的系统上造成拒绝服务(DoS)状态。

CVSS 5.3 · Medium EPSS 1.01% · P62

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-1478

Vulnerability Information
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Vulnerability Title
Cisco Unified Communications Manager Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Unified Communications Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Unified Communications Manager（CUCM，Unified CM，CallManager）是美国思科（Cisco）公司的一款统一通信系统中的呼叫处理组件。该组件提供了一种可扩展、可分布和高可用的企业IP电话呼叫处理解决方案。 Cisco Unified Communications Manager 存在安全漏洞，该漏洞允许经过身份验证的远程攻击者在受影响的系统上造成拒绝服务(DoS)状态。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Unified Communications Manager n/a -

II. Public POCs for CVE-2021-1478

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III. Intelligence Information for CVE-2021-1478

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Vendor Advisories for CVE-2021-1478 (1)

Same Patch Batch · Cisco · 2021-05-06 · 41 CVEs total

CVE-2021-1275 9.8 CRITICAL Cisco SD-WAN vManage Software Vulnerabilities
CVE-2021-1468 9.8 CRITICAL Cisco SD-WAN vManage Software Vulnerabilities
CVE-2021-1497 9.8 CRITICAL Cisco HyperFlex HX Command Injection Vulnerabilities
CVE-2021-1498 9.8 CRITICAL Cisco HyperFlex HX Command Injection Vulnerabilities
CVE-2021-1505 9.8 CRITICAL Cisco SD-WAN vManage Software Vulnerabilities
CVE-2021-1506 9.8 CRITICAL Cisco SD-WAN vManage Software Vulnerabilities
CVE-2021-1508 9.8 CRITICAL Cisco SD-WAN vManage Software Vulnerabilities
CVE-2021-1284 8.8 HIGH Cisco SD-WAN vManage Software Authentication Bypass Vulnerability
CVE-2021-1400 8.8 HIGH Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities
CVE-2021-1401 8.8 HIGH Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities
CVE-2021-1421 7.8 HIGH Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability
CVE-2021-1513 7.5 HIGH Cisco SD-WAN Software vDaemon Denial of Service Vulnerability
CVE-2021-1511 7.5 HIGH Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities
CVE-2021-1510 7.5 HIGH Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities
CVE-2021-1509 7.5 HIGH Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities
CVE-2021-1365 7.1 HIGH Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerabilities
CVE-2021-1363 7.1 HIGH Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerabilities
CVE-2021-1426 7.0 HIGH Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi
CVE-2021-1430 7.0 HIGH Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi
CVE-2021-1427 7.0 HIGH Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi

Showing top 20 of 41 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Unified Communications Manager
Same vendor: Cisco
Same weakness: CWE-284

V. Comments for CVE-2021-1478

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