CVE-2024-20253
9.9 · CRITICALOverview
CVE-2024-20253 is a critical-severity vulnerability affecting cisco unified_communications_manager. It was published on January 26, 2024 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to the improper processing of user-provided data that is being read into memory. An attacker could exploit this vulnerability by sending a crafted message to a listening port of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of the web services user. With access to the underlying operating system, the attacker could also establish root access on the affected device.
Remediation
Check the references section for vendor advisories and patches from cisco. Update unified_communications_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | unified_communications_manager | >= 0, < 12.5\(1\)su8 | Affected |
| cisco | unified_communications_manager_im_and_presence_service | >= 0, < 12.5\(1\)su8 | Affected |
| cisco | unity_connection | >= 0, < 12.5\(1\)su8 | Affected |
Frequently Asked Questions
What is CVE-2024-20253?
CVE-2024-20253 is a critical-severity vulnerability affecting cisco unified_communications_manager. It was published on January 26, 2024 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
How severe is CVE-2024-20253?
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-20253?
Check the references section for vendor advisories and patches from cisco. Update unified_communications_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-20253?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-20253 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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