CVE-2022-20804 — Improper Check for Unusual or Exceptional Conditions in Cisco Unified Communications Manager

CWE-754 — Improper Check for Unusual or Exceptional Conditions4 documents4 sources

Severity

6.5MEDIUMNVD

CNA5.3

EPSS

0.1%

top 72.19%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Cisco Unified Communications Manager Cisco Unified Communications Manager

Timeline

PublishedApr 21

Latest updateApr 22

Description

A vulnerability in the Cisco Discovery Protocol of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, adjacent attacker to cause a kernel panic on an affected system, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect processing of certain Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by continuously sending cer…

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDcisco/unified_communications_manager14.0

▶CVEListV5cisco/cisco_unified_communications_managern/a

🔴Vulnerability Details

GHSA

GHSA-x87q-gpr2-r7wm: A vulnerability in the Cisco Discovery Protocol of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session↗2022-04-22

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CVEList

Cisco Unified Communications Products Denial of Service Vulnerability↗2022-04-21

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📋Vendor Advisories

Cisco

Cisco Unified Communications Products Denial of Service Vulnerability↗2022-04-20

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