Detections
Analytics
Cisco Firepower 2100 Series SSL/TLS Inspection DoS (cisco-sa-ftd-ssl-dcrpt-dos-RYEkX4yy)
high Nessus Plugin ID 149465
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, the SSL/TLS inspection of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series firewalls is affected by denial of service vulnerability due to improper input validation for certain fields of specific SSL/TLS messages. An unauthenticated, remote attacker can exploit this by sending a malformed SSL/TLS message through an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS 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 CSCvs56802See Also
Plugin Details
Severity: High
ID: 149465
File Name: cisco-sa-ftd-ssl-dcrpt-dos-RYEkX4yy.nasl
Version: 1.5
Type: local
Family: CISCO
Published: 5/13/2021
Updated: 3/31/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
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-2020-3562
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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, cpe:/a:cisco:firepower_threat_defense
Required KB Items: installed_sw/Cisco Firepower Threat Defense
Exploit Ease: No known exploits are available
Patch Publication Date: 10/21/2020
Vulnerability Publication Date: 10/21/2020
Reference Information
CVE: CVE-2020-3562