CVE EVIDENCE REVIEW
ReviewHighEvidence review

CVE-2018-0230 evidence review

Cisco Firepower 2100 Series Security Appliances, secure firewall threat defense, adaptive security appliance software

A vulnerability in the internal packet-processing functionality of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop processing traffic, resulting in a denial of service (DoS) condition. The vulnerability is due to the affected software improperly validating IP Version 4 (IPv4) and IP Version 6 (IPv6) packets after the software reassembles the packets (following IP Fragmentation). An attacker could exploit this vulnerability by sending a series of malicious, fr...

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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 Firepower 2100 Series Security Appliances, secure firewall threat defense, adaptive security appliance software
Affected versions>= Cisco Firepower 2100 Series Security Appliances, 6.2.1, 6.2.2, 9.8(2)
Fixed versionsNo verified fixed-version field is available yet
Priority basisReview · CVSS 8.6 · EPSS 2.40%
01

Identify the product and installed version

Record whether Cisco Firepower 2100 Series Security Appliances, secure firewall threat defense, 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: >= Cisco Firepower 2100 Series Security Appliances, 6.2.1, 6.2.2, 9.8(2). 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.