Vulnerability Details : CVE-2023-20266
A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device.
This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.
Products affected by CVE-2023-20266
- cpe:2.3:a:cisco:emergency_responder:12.5.1su4:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:emergency_responder:12.5.1su8a:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:emergency_responder:14su3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:12.5.1su8:*:*:*:-:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:12.5.1su8:*:*:*:session_management:*:*:*
- cpe:2.3:a:cisco:unity_connection:12.5\(1\)su6:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unity_connection:12.5\(1\)su7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unity_connection:12.5\(1\)su8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unity_connection:14su2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unity_connection:14su3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-20266
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-20266
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
1.2
|
5.2
|
Cisco Systems, Inc. |
CWE ids for CVE-2023-20266
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2023-20266
-
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-priv-esc-D8Bky5eg
Cisco Unified Communications Products Privilege Escalation VulnerabilityVendor Advisory
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