Cisco Firepower Threat Defense Software Detection Engine Policy Bypass Vulnerability

Description

A vulnerability in the detection engine of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access control policies. The vulnerability is due to improper validation of ICMP packets. An attacker could exploit this vulnerability by sending crafted ICMP packets to the affected device. A successful exploit could allow the attacker to bypass configured access control policies.

Scores

EPSS (exploitation in 30 days)

1.6% · top 23% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.

Weakness

• CWE-693 (opens in a new tab)All about CWE-693 and its CVEs

Affected products

• Cisco · Cisco Firepower Threat Defense Software

  • affected unspecified – < n/a

What to do

Exploitation: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

References (2)

• 20190515 Cisco Firepower Threat Defense Software Detection Engine Policy Bypass Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• 108340 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-1832](https://trackcve.app/badge/CVE-2019-1832.svg)](https://trackcve.app/cve/CVE-2019-1832)

Record last updated 19 Nov 2024, 19:07 UTC.