CVE-2022-20789

Published on: Not Yet Published

Last Modified on: 05/03/2022 04:56:00 PM UTC

CVE-2022-20789 - advisory for cisco-sa-cucm-arb-write-74QzruUU

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

Certain versions of Unified Communications Manager from Cisco contain the following vulnerability:

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.

CVE-2022-20789 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
Affected Vendor/Software: Cisco - Cisco Unified Communications Manager version n/a

CVSS3 Score: 6.5 - MEDIUM

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
NETWORK	LOW	HIGH	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	NONE	HIGH	HIGH

CVSS2 Score: 8.5 - HIGH

Access Vector^ⓘ	Access Complexity	Authentication
NETWORK	LOW	SINGLE
Confidentiality Impact	Integrity Impact	Availability Impact
NONE	COMPLETE	COMPLETE

CVE References

Description	Tags ^ⓘ	Link
No Description Provided	tools.cisco.com text/html	CISCO 20220420 Cisco Unified Communications Products Arbitrary File Write Vulnerability

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Related QID Numbers

317283 Cisco Unified Communications Products Arbitrary File Write Vulnerability (cisco-sa-cucm-arb-write-74QzruUU)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Cisco	Unified Communications Manager	12.5\(1\)	All	All	All
Application	Cisco	Unified Communications Manager	12.5\(1\)	All	All	All
Application	Cisco	Unified Communications Manager	14.0	All	All	All
Application	Cisco	Unified Communications Manager	14.0	All	All	All

cpe:2.3:a:cisco:unified_communications_manager:12.5\(1\):*:*:*:-:*:*:*:
cpe:2.3:a:cisco:unified_communications_manager:12.5\(1\):*:*:*:session_management:*:*:*:
cpe:2.3:a:cisco:unified_communications_manager:14.0:*:*:*:-:*:*:*:
cpe:2.3:a:cisco:unified_communications_manager:14.0:*:*:*:session_management:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@sidfm_jp	Cisco Unified CM のソフトウェアアップグレードの処理に任意のファイルを上書きされる問題 (CVE-2022-20789) [41924] sid.softek.jp/content/show/4… #SIDfm #脆弱性情報	2022-04-22 07:30:02
/r/netcve	CVE-2022-20789	2022-04-21 19:38:19