CVE-2020-3305

HIGH

Cisco Adaptive Security Appliance and Firepower Threat Defense - Denial of Service via BGP Packet Processing

Title source: llm
STIX 2.1

Description

A vulnerability in the implementation of the Border Gateway Protocol (BGP) module in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain BGP packets. An attacker could exploit this vulnerability by sending a crafted BGP packet. A successful exploit could allow the attacker to cause a DoS condition on the affected device.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0060
EPSS Percentile 69.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (3)
cisco/adaptive_security_appliance < 9.6.4.36
cisco/adaptive_security_appliance_software 9.7 - 9.8.4.10
cisco/firepower_threat_defense < 6.3.0.5
Published May 06, 2020
Tracked Since Feb 18, 2026