vulnerability
Cisco FTD: CVE-2022-20746: Cisco Firepower Threat Defense Software TCP Proxy Denial of Service Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | Apr 27, 2022 | Jan 29, 2025 | Mar 31, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Apr 27, 2022
Added
Jan 29, 2025
Modified
Mar 31, 2026
Description
A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper handling of TCP flows. An attacker could exploit this vulnerability by sending a crafted stream of TCP traffic through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Solution
cisco-ftd-upgrade-latest
Rapid7 Labs
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