| Package | Affected versions | Patched versions |
|---|---|---|
| secure firewall threat defense | = 6.2.3= 6.2.3.1= 6.2.3.10= 6.2.3.11= 6.2.3.12= 6.2.3.13= 6.2.3.14= 6.2.3.15= 6.2.3.16= 6.2.3.17= 6.2.3.18= 6.2.3.2= 6.2.3.3= 6.2.3.4= 6.2.3.5= 6.2.3.6= 6.2.3.7= 6.2.3.8= 6.2.3.9= 6.4.0= 6.4.0.1= 6.4.0.10= 6.4.0.11= 6.4.0.12= 6.4.0.13= 6.4.0.14= 6.4.0.15= 6.4.0.16= 6.4.0.17= 6.4.0.18= 6.4.0.2= 6.4.0.3= 6.4.0.4= 6.4.0.5= 6.4.0.6= 6.4.0.7= 6.4.0.8= 6.4.0.9= 6.6.0= 6.6.0.1= 6.6.1= 6.6.3= 6.6.4= 6.6.5= 6.6.5.1= 6.6.5.2= 6.6.7= 6.6.7.1= 6.6.7.2= 6.7.0= 6.7.0.1= 6.7.0.2= 6.7.0.3= 7.0.0= 7.0.0.1= 7.0.1= 7.0.1.1= 7.0.2= 7.0.2.1= 7.0.3= 7.0.4= 7.0.5= 7.0.6= 7.0.6.1= 7.0.6.2= 7.1.0= 7.1.0.1= 7.1.0.2= 7.1.0.3= 7.2.0= 7.2.0.1= 7.2.1= 7.2.2= 7.2.3= 7.2.4= 7.2.4.1= 7.2.5= 7.2.5.1= 7.2.5.2= 7.2.6= 7.2.7= 7.2.8= 7.2.8.1= 7.3.0= 7.3.1= 7.3.1.1= 7.3.1.2= 7.4.0= 7.4.1= 7.4.1.1 |
A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are not affected by this vulnerability. This vulnerability is due to a logic error when handling embryonic (half-open) TCP connections. An attacker could exploit this vulnerability by sending a crafted traffic pattern through an affected device. A successful exploit could allow unintended traffic to enter the network protected by the affected device.
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