Denial of service in Cisco Unified Communications Products
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-20259 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Cisco Emergency Responder Other software / Other software solutions Cisco Prime Collaboration Deployment Server applications / Other server solutions Cisco Unified Communications Manager Server applications / Other server solutions Cisco Unified Communications Manager IM & Presence Service Client/Desktop applications / Other client software Cisco Unified Communications Manager Session Management Edition Server applications / Remote management servers, RDP, SSH Cisco Unity Connection Client/Desktop applications / Messaging software |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Input validation error
EUVDB-ID: #VU81671
Risk: High
CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2023-20259
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper API authentication and incomplete validation of the API request. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Emergency Responder: 14SU3 - 14.0(1.14900.8)
Cisco Prime Collaboration Deployment: 14SU3 - 14.0(1.13900.96)
Cisco Unified Communications Manager: 12.5(1)SU7 - 14.0(1.13900.155)
Cisco Unified Communications Manager IM & Presence Service: 12.5(1)SU7 - 14
Cisco Unified Communications Manager Session Management Edition: 12.5(1)SU7 - 14.0(1.13900.155)
Cisco Unity Connection: 12.5 - 14SU3
CPE2.3- cpe:2.3:a:cisco_systems:cisco_emergency_responder:14SU3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_emergency_responder:14.0(1.14900.8):*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_prime_collaboration_deployment:14SU3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_prime_collaboration_deployment:14.0(1.13900.96):*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:Unified CM:12.5(1)SU7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:Unified CM:12.5(1.17900.64):*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:Unified CM:14SU3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_unified_communications_manager_im_presence_service:12.5(1)SU7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_unified_communications_manager_im_presence_service:12.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_unified_communications_manager_im_presence_service:14SU3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_unified_communications_manager_session_management_edition:12.5(1)SU7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_unity_connection:12.5:*:*:*:*:*:*:*
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
