Vulnerability · Published Apr 21, 2022 · Assigned by cisco
CVE-2022-20789Cisco Unified Communications Products Arbitrary File Write Vulnerability
Medium 4.9
In plain English
A medium-severity security flaw in Cisco Unified Communications Manager from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Unified Communications Manager | n/a |
Weakness: CWE-73 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
References
- 20220420 Cisco Unified Communications Products Arbitrary File Write Vulnerability vendor-advisory, x_refsource_CISCO