CVE-2025-20139
7.5 · HIGHOverview
CVE-2025-20139 is a high-severity vulnerability affecting cisco enterprise_chat_and_email. It was published on April 2, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.
This vulnerability is due to improper validation of user-supplied input to chat entry points. An attacker could exploit this vulnerability by sending malicious requests to a messaging chat entry point in the affected application. A successful exploit could allow the attacker to cause the application to stop responding, resulting in a DoS condition. The application may not recover on its own and may need an administrator to manually restart services to recover.
Remediation
Check the references section for vendor advisories and patches from cisco. Update enterprise_chat_and_email 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 | enterprise_chat_and_email | >= 0, < 12.6\(1\)es10 | Affected |
Frequently Asked Questions
What is CVE-2025-20139?
CVE-2025-20139 is a high-severity vulnerability affecting cisco enterprise_chat_and_email. It was published on April 2, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-20139?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-20139?
Check the references section for vendor advisories and patches from cisco. Update enterprise_chat_and_email 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-2025-20139?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-20139 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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