Detections
Analytics
Cisco Firepower Threat Defense Software Packet Flood DoS (cisco-sa-ftd-dos-N2vQZASR)
high Nessus Plugin ID 137406
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its self-reported version, Cisco Firepower Threat Defense (FTD) Software is affected by a denial of service (DoS) vulnerability in the packet processing functionality due to inefficient memory management. An unauthenticated, remote attacker can exploit this vulnerability by sending a high rate of IPv4 or IPv6 traffic through an affected device to cause a memory exhaustion condition.Please see the included Cisco BIDs 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 CSCvo80853See Also
http://www.nessus.org/u?428b34c6
http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-73830
Plugin Details
Severity: High
ID: 137406
File Name: cisco-sa-ftd-dos-N2vQZASR.nasl
Version: 1.11
Type: local
Family: CISCO
Published: 6/17/2020
Updated: 3/31/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2020-3255
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, Host/Cisco/Firepower
Exploit Ease: No known exploits are available
Patch Publication Date: 5/6/2020
Vulnerability Publication Date: 5/6/2020
Reference Information
CVE: CVE-2020-3255