CVE-2022-20772
4.7 · MEDIUMOverview
CVE-2022-20772 is a medium-severity vulnerability affecting cisco email_security_appliance_firmware. It was published on November 4, 2022 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in Cisco Email Security Appliance (ESA) and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to conduct an HTTP response splitting attack.
This vulnerability is due to the failure of the application or its environment to properly sanitize input values. An attacker could exploit this vulnerability by injecting malicious HTTP headers, controlling the response body, or splitting the response into multiple responses.
Remediation
Check the references section for vendor advisories and patches from cisco. Update email_security_appliance_firmware 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 | email_security_appliance_firmware | >= 13.5.1, < 14.0.3-015 | Affected |
| cisco | secure_email_and_web_manager_firmware | >= 14.2, < 14.2.0-217 | Affected |
Frequently Asked Questions
What is CVE-2022-20772?
CVE-2022-20772 is a medium-severity vulnerability affecting cisco email_security_appliance_firmware. It was published on November 4, 2022 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
How severe is CVE-2022-20772?
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-20772?
Check the references section for vendor advisories and patches from cisco. Update email_security_appliance_firmware 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-2022-20772?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-20772 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.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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