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CVE-2022-20752

Cisco Unified Communications Products Timing Attack Vulnerability

MEDIUM
5.3
CVSS Score
Published: July 6, 2022 at 08:30 PM UTC
Updated: June 17, 2026 at 04:25 AM UTC
2 products affected across 1 vendorUnified Communications ManagerUnity Connection

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to perform a timing attack. This vulnerability is due to insufficient protection of a system password. An attacker could exploit this vulnerability by observing the time it takes the system to respond to various queries. A successful exploit could allow the attacker to determine a sensitive system password.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Unified Communications Manager· Cisco
95%
12.5\(1\) ≤ v < 12.5\(1\)su614.0 ≤ v < 14su1
Affected range stops below 12.5(1)su6, so it looks safe — our inference, not a vendor statement
Affected range stops below 14su1, so it looks safe — our inference, not a vendor statement
Unity Connection· Cisco
95%
12.5\(1\) ≤ v < 12.5\(1\)su614.0 ≤ v < 14su1
Affected range stops below 12.5(1)su6, so it looks safe — our inference, not a vendor statement
Affected range stops below 14su1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisoryx_refsource_CISCO
Source: [email protected]
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-timing-JVbHECOK

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-208CWE-203

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