CVE-2023-20246 Security feature bypass in Cisco Firepower Threat Defense Software
Unauthenticated remote attackers can bypass Snort access control policies on Cisco network devices due to a logic error.
- 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-2023-20246?
CVE-2023-20246 is a medium-severity vulnerability in Cisco Ios Xe, published on 1 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a logic error that occurs when the access control policies are being populated. An attacker could exploit this vulnerability by establishing a connection to an affected device. A successful exploit could allow the attacker to bypass configured access control rules on the affected system.
Weakness: CWE-290
Which versions are affected by CVE-2023-20246?
It affects 3 products.
Products include Cisco Ios Xe, Cisco Secure Firewall Threat Defense, Snort Snort.
How do I fix CVE-2023-20246?
No fix has been published for CVE-2023-20246 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20246 being exploited?
There is no known exploitation of CVE-2023-20246 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
- CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation
- CVE-2018-0151 Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution
- CVE-2023-20273 Cisco IOS XE Web UI Command Injection
- CVE-2025-20188 Hardcoded credentials in Cisco IOS XE Software
- CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability
Sources
Also known as GHSA-9hv9-j7p5-6w36.