CVE-2023-20177

CWE-2444 documents4 sources
Severity
4.0MEDIUM
EPSS
0.0%
top 99.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco Cisco Firepower Threat Defense SoftwareCisco Firepower Threat Defense
Timeline
PublishedNov 1

Description

A vulnerability in the SSL file policy implementation of Cisco Firepower Threat Defense (FTD) Software that occurs when the SSL/TLS connection is configured with a URL Category and the Snort 3 detection engine could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to unexpectedly restart. This vulnerability exists because a logic error occurs when a Snort 3 detection engine inspects an SSL/TLS connection that has either a URL Category configured on the SSL file pol…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:LExploitability: 2.2 | Impact: 1.4

Affected Packages2 packages

▶NVDcisco/firepower_threat_defense21 versions+20

🔴Vulnerability Details

2
CVEList
CVE-2023-20177: A vulnerability in the SSL file policy implementation of Cisco Firepower Threat Defense (FTD) Software that occurs when the SSL/TLS connection is conf↗2023-11-01
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GHSA
GHSA-753m-gv8q-x327: A vulnerability in the SSL file policy implementation of Cisco Firepower Threat Defense (FTD) Software that occurs when the SSL/TLS connection is conf↗2023-11-01
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📋Vendor Advisories

1
Cisco
Cisco Firepower Threat Defense Software SSL/TLS URL Category and Snort 3 Detection Engine Bypass and Denial of Service Vulnerability↗2023-11-01
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CVE-2023-20177 (MEDIUM CVSS 4) | A vulnerability in the SSL file pol | cvebase.io