PT-2024-9125 · Cisco · Cisco Ftd

Published 2024-10-23 · Updated 2025-08-08 · CVE-2024-20339

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series (affected versions not specified)

Description: A vulnerability in the TLS processing feature could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This issue occurs when TLS traffic is processed, and an attacker could exploit it by sending certain TLS traffic over IPv4 through an affected device, causing the device to reload and impacting traffic.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2024-10812

CVE-2024-20339

Affected Products

Cisco Ftd

References · 8

• https://bdu.fstec.ru/vul/2024-10812 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tls-dos-QXYE5Ufy · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-M446vbEO · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-20339 · Security Note
• https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75300 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-20339 · Vendor Advisory
• https://t.me/cvedetector/8726 · Telegram Post
• https://t.me/cveNotify/131433 · Telegram Post