CVE-2024-20339

Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vulnerability

Severity
High 8.6
CVSS 3.1
Remote · no auth what this means
Exploited
Not listed
EPSS
0.007
51.9th percentile
Discovered by
Vendor
Vendor-published field
Published
Oct 23, 2024
Assigned by cisco

Description

A vulnerability in the TLS processing feature of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an issue that occurs when TLS traffic is processed. An attacker could exploit this vulnerability by sending certain TLS traffic over IPv4 through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition and impacting traffic to and through the affected device.

Weakness: CWE-476

Affected products

Vendor Product Category Matched by
Cisco Cisco Firepower Threat Defense (FTD) Check your version Firewall / NGFW cna-assigner
Vendor-reported products (2)
  • Cisco · Cisco Firepower Threat Defense Software
  • cisco · firepower_threat_defense_software

Vendor advisory

cisco-sa-ftd-tls-dos-QXYE5Ufy

Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vulnerability

Cisco’s rating: High (advisory CVSS 8.6) · Published Oct 23, 2024

Bug ID: CSCwh68482

The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from

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