High severity · published Aug 10, 2022
CVE-2022-20816
Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability
8.1
CVSS
1.3%
EPSS
No
On KEV
Description
A vulnerability in the web-based management interface 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 delete arbitrary files from an affected system. This vulnerability exists because the affected software does not properly validate HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow the attacker to delete arbitrary files from the affected system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CU
Cisco Unified Communications Manager · Cisco
All versions, or not specified · source: vendor
UC
Unified Communications Manager · Cisco
11.5\(1\) before 14su2; 11.5\(1\) before 14su2 · source: NVD
Affected product
CU
Cisco Unified Communications Manager
Cisco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-20816
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-20816
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-file-delete-N2VPmOnE
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