Denial of service in Cisco Firepower Threat Defense Software



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-20751
CWE-ID CWE-770
Exploitation vector Network
Public exploit N/A
Vulnerable software
Cisco Firepower Threat Defense (FTD)
Hardware solutions / Security hardware applicances

Firepower 1000 Series Appliances
Hardware solutions / Other hardware appliances

Firepower 2100 Series Security Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers

Cisco Firepower 4100 Series Next-Generation Firewall
Hardware solutions / Firmware

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU62683

Risk: High

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-20751

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient memory management for certain Snort events. A remote attacker can send a specially crafted IP packet and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Firepower Threat Defense (FTD): - - 6.7.0

Firepower 1000 Series Appliances: All versions

Firepower 2100 Series Security Appliance: All versions

Cisco Firepower 4100 Series Next-Generation Firewall: All versions

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-dos-hd2hFgM


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###