CVE-2022-20789

published 2022-04-21

CVE-2022-20789: A vulnerability in the software upgrade process of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session…

Priority P3 40 medium 6.5 CVSS 3.1

AV N AC L PR H UI N S U C N I H A H

A vulnerability in the software upgrade process 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 write arbitrary files on the affected system. This vulnerability is due to improper restrictions applied to a system script. An attacker could exploit this vulnerability by using crafted variables during the execution of a system upgrade. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
cisco	cisco_unified_communications_manager	—	—
cisco	unified_communications_manager	—	—
cisco	unified_communications_manager	—	—
cisco	unified_communications_products	—	—

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

nvd v2.0 8.5 HIGH AV:N/AC:L/Au:S/C:N/I:C/A:C

vendor_cisco 4.9 MEDIUM

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