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.
Published 2022-04-21 19:15:09
Updated 2022-05-03 16:56:44
View at NVD,   CVE.org
Vulnerability category: File inclusion

Threat overview for CVE-2022-20789

Top countries where our scanners detected CVE-2022-20789
Top open port discovered on systems with this issue 5061
IPs affected by CVE-2022-20789 298
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2022-20789!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2022-20789

Probability of exploitation activity in the next 30 days: 0.12%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 45 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-20789

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
8.5
HIGH AV:N/AC:L/Au:S/C:N/I:C/A:C
8.0
9.2
NIST
4.9
MEDIUM CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
1.2
3.6
Cisco Systems, Inc.
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
1.2
5.2
NIST

CWE ids for CVE-2022-20789

References for CVE-2022-20789

Products affected by CVE-2022-20789

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