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Tracker / CVE-2020-3555

CVE-2020-3555

Medium 6.8

A vulnerability in the SIP inspection process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to a watchdog timeout and crash during the cleanup of threads that are associated with a SIP connection that is being deleted from the connection list. An attacker could exploit this vulnerability by sending a high rate of crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a watchdog timeout and crash, resulting in a crash and reload of the affected device.

Affected products and versions

cisco adaptive_security_appliance · … → 9.6.4.43
cisco adaptive_security_appliance_software · 9.10.0 → 9.10.1.43
cisco adaptive_security_appliance_software · 9.12.0 → 9.12.4.2
cisco adaptive_security_appliance_software · 9.13.0 → 9.13.1.13
cisco adaptive_security_appliance_software · 9.14.0 → 9.14.1.19
cisco adaptive_security_appliance_software · 9.7.0 → 9.8.4.24
cisco adaptive_security_appliance_software · 9.9.0 → 9.9.2.80
cisco secure_firewall_threat_defense
cisco secure_firewall_threat_defense · … → 6.2.2
cisco secure_firewall_threat_defense · 6.3.0 → 6.3.0.6
cisco secure_firewall_threat_defense · 6.4.0 → 6.4.0.10
cisco secure_firewall_threat_defense · 6.5.0 → 6.5.0.5

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References