Vulnerability Bulletins

Cisco Firepower Threat Defense Software Generic Routing Encapsulation Denial of Service Vulnerability


System information

   
Affected software Cisco

Description

A vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory handling error that occurs when GRE traffic is processed. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20Firepower%20Threat%20Defense%20Software%20Generic%20Routing%20Encapsulation%20Denial%20of%20Service%20Vulnerability&vs_k=1

Standar resources

Property Value
CVE CVE-2022-20946.

Version history

Version Comments Date
1.0 Advisory issued 2022-12-18
Ministerio de Defensa
CNI
CCN
CCN-CERT