CVE-2022-20730 Cisco Firepower Threat Defense Software Security Intelligence DNS Feed Bypass Vulnerability
An unauthenticated remote attacker can bypass Security Intelligence DNS feed controls to send blocked traffic through Cisco Firepower Threat Defense devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20730?
CVE-2022-20730 is a medium-severity vulnerability in Cisco Secure Firewall Threat Defense, published on 3 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Security Intelligence feed feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the Security Intelligence DNS feed. This vulnerability is due to incorrect feed update processing. An attacker could exploit this vulnerability by sending traffic through an affected device that should be blocked by the affected device. A successful exploit could allow the attacker to bypass device controls and successfully send traffic to devices that are expected to be protected by the affected device.
Weakness: CWE-241
Which versions are affected by CVE-2022-20730?
It affects 1 product.
Products include Cisco Secure Firewall Threat Defense.
How do I fix CVE-2022-20730?
No fix has been published for CVE-2022-20730 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20730 being exploited?
There is no known exploitation of CVE-2022-20730 in the wild and no public exploit code.
Other vulnerabilities in Cisco Secure Firewall Threat Defense
- CVE-2024-20412 Hardcoded credentials in Cisco Firepower Threat Defense Software
- CVE-2024-20330 Memory corruption in Cisco Firepower Threat Defense Software
- CVE-2024-20339 Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vulnerability
- CVE-2024-20351 Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability
- CVE-2023-20083 Denial of service in Cisco Firepower Threat Defense Software
Sources
Also known as GHSA-94jr-h876-3jf2.