Detections
Analytics
Cisco Firepower Threat Defense Software TCP Proxy DoS (cisco-sa-ftd-tcp-dos-kM9SHhOu)
high Nessus Plugin ID 161002
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
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.Please see the included Cisco BID and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvz00032See Also
Plugin Details
Severity: High
ID: 161002
File Name: cisco-sa-ftd-tcp-dos-kM9SHhOu.nasl
Version: 1.8
Type: local
Family: CISCO
Published: 5/11/2022
Updated: 11/21/2022
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: High
Base Score: 7.1
Temporal Score: 5.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2022-20746
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:firepower_threat_defense
Required KB Items: installed_sw/Cisco Firepower Threat Defense
Exploit Ease: No known exploits are available
Patch Publication Date: 4/27/2022
Vulnerability Publication Date: 4/27/2022
Reference Information
CVE: CVE-2022-20746