Timing attack in Cisco Unified Communications Manager

Published: 2022-07-06
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-20752
Exploitation vector Network
Public exploit N/A
Vulnerable software
Cisco Unified Communications Manager
Server applications / Other server solutions

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information Exposure Through Timing Discrepancy

EUVDB-ID: #VU64956

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20752

CWE-ID: CWE-208 - Information Exposure Through Timing Discrepancy

Exploit availability: No


The vulnerability allows a remote attacker to perform brute-force attack.

The vulnerability exists due to insufficient protection of a system password. A remote attacker can observe the time it takes the system to respond to various queries and guess system password.


Install updates from vendor's website.

Vulnerable software versions

Cisco Unified Communications Manager: 12.5(1) - 14.0(1.10000.20)

CPE2.3 External links


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.