Allocation of Resources Without Limits or Throttling in Cisco Firewall Threat Defense (FTD) - CVE-2022-20950
Published: November 10, 2022
Vulnerability identifier: #VU69203
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20950
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a lack of error-checking when SIP bidirectional flows are being inspected by Snort 3. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Cisco Firewall Threat Defense (FTD)
How to mitigate CVE-2022-20950
Install updates from vendor's website.
Cisco Firewall Threat Defense (FTD) - update to 7.2.1