CVE-2024-20253
Last modified
CVE-2024-20253 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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. EPSS estimates a 2.06% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Unified Communications Manager | < 12.5\(1\)su8 |
| Cisco | Unified Communications Manager | >= 14.0, < 14su3 |
| Cisco | Unified Communications Manager Im And Presence Service | < 12.5\(1\)su8 |
| Cisco | Unified Communications Manager Im And Presence Service | >= 14.0, < 14.0su3 |
| Cisco | Unity Connection | < 12.5\(1\)su8 |
| Cisco | Unity Connection | >= 14.0, < 14su3 |
| Cisco | Unified Contact Center Express | 12.5\(1\) |
| Cisco | Virtualized Voice Browser | 12.5\(1\) |
| Cisco | Virtualized Voice Browser | 12.6\(1\) |
| Cisco | Virtualized Voice Browser | 12.6\(2\) |
References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-rce-bWNzQcUmIssue Tracking, Vendor Advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-rce-bWNzQcUmIssue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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