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Vulnerability record · CVE-2022-20859 · published 6 July 2022

CVE-2022-20859: Cisco unified communications manager improper access control vulnerability

Cisco · Unified Communications Manager

A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an authenticated, remote attacker to perform certain administrative actions they should not be able to. This vulnerability is due to insufficient access control checks on the affected device. An attacker with read-only privileges could exploit this vulnerability by executing a specific vulnerable command on an affected device. A successful exploit could allow the attacker to perform a set of administrative actions they should not be able to.

8.8 CVSS 3.1 High EPSS 1.3% · top 31.4% CWE-284 · Improper access control
8.8CVSS 3.1 base score, v2 9.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an authenticated, remote attacker to perform certain administrative actions they should not be able to. This vulnerability is due to insufficient access control checks on the affected device. An attacker with read-only privileges could exploit this vulnerability by executing a specific vulnerable command on an affected device. A successful exploit could allow the attacker to perform a set of administrative actions they should not be able to.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-access-dMKvV2DY Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-access-dMKvV2DY Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-20859), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.