CVE-2020-3555

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Summary

CVECVE-2020-3555
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-10-21 19:15:00 UTC
Updated2023-11-07 03:22:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-404

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Adaptive Security Appliance All All All All
Application Cisco Adaptive Security Appliance All All All All
Operating System Cisco Adaptive Security Appliance Software All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense 6.6.0 All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense 6.6.0 All All All
Application Cisco Firepower Threat Defense All All All All

References

ReferenceSourceLinkTags
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SIP Denial of Service Vulnerability CISCO tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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