CVE-2023-20177
CVSS 3.1 Score 4.0 of 10 (medium)
Details
Summary
CVE-2023-20177 is a vulnerability affecting Cisco Firepower Threat Defense (FTD) Software. It arises from a logic error in the SSL file policy implementation of the SSL/TLS connection, which occurs when URL Categories are configured. An unauthenticated, remote attacker can exploit this vulnerability by sending a crafted SSL/TLS connection to an affected device. This could lead to an unexpected reload of the Snort 3 detection engine, potentially resulting in a bypass or denial of service condition, depending on device configuration. No manual intervention is required as the Snort 3 detection engine will restart automatically.
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Affected Products
- Cisco Firepower Threat Defense
Affected Vendors
- Cisco Systems Inc
Advisories, Assessments, and Mitigations
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