CVE EVIDENCE REVIEW
ReviewHighEvidence review

CVE-2020-3305 evidence review

Cisco Cisco Adaptive Security Appliance (ASA) Software, adaptive security appliance, adaptive security appliance software

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.

Open CVE record
Evidence review

This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.

ProductCisco Cisco Adaptive Security Appliance (ASA) Software, adaptive security appliance, adaptive security appliance software
Affected versions< 9.6.4.36, >= 9.7 < 9.8.4.10, >= 9.9 < 9.10.1.30, >= 9.12 < 9.12.2.9, < 6.3.0.5, >= 6.4.0 < 6.4.0.6
Fixed versions9.6.4.36, 9.8.4.10, 9.10.1.30, 9.12.2.9, 6.3.0.5, 6.4.0.6
Priority basisReview · CVSS 7.5 · EPSS 1.23%
01

Identify the product and installed version

Record whether Cisco Cisco Adaptive Security Appliance (ASA) Software, adaptive security appliance, adaptive security appliance software is present, where it is installed, and which interfaces are exposed.

  • Record the product name, package or appliance identifier, and installed version.
  • Identify internet-facing, administrative, API, and internal access paths.
  • Preserve the pre-change configuration and relevant service logs.
02

Compare the affected range

Use the current record as an identification aid: < 9.6.4.36, >= 9.7 < 9.8.4.10, >= 9.9 < 9.10.1.30, >= 9.12 < 9.12.2.9, < 6.3.0.5, >= 6.4.0 < 6.4.0.6. Resolve incomplete inventory results before deciding that an asset is unaffected.

03

Verify the authoritative remediation source

Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.

Operational boundary

This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.