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CVE-2020-3254

7.5 · HIGH
Published May 6, 2020 cisco CWE-400 EPSS 1.92% (78th pctl)

Overview

CVE-2020-3254 is a high-severity vulnerability affecting cisco secure_firewall_threat_defense. It was published on May 6, 2020 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

Multiple vulnerabilities in the Media Gateway Control Protocol (MGCP) inspection feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerabilities are due to inefficient memory management. An attacker could exploit these vulnerabilities by sending crafted MGCP packets through an affected device. An exploit could allow the attacker to cause memory exhaustion resulting in a restart of an affected device, causing a DoS condition for traffic traversing the device.

Remediation

Check the references section for vendor advisories and patches from cisco. Update secure_firewall_threat_defense 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 secure_firewall_threat_defense >= 6.2.3, < 6.2.3.16 Affected

Frequently Asked Questions

What is CVE-2020-3254?

CVE-2020-3254 is a high-severity vulnerability affecting cisco secure_firewall_threat_defense. It was published on May 6, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-3254?

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-2020-3254?

Check the references section for vendor advisories and patches from cisco. Update secure_firewall_threat_defense 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-2020-3254?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-3254 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.