What is CVE-2023-20177?

CVE-2023-20177 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under CWE-244. CVSS score: 4.0/10. Published 2023-11-01.

How severe is CVE-2023-20177?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Cisco Firepower Threat Defense Software

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 configured with a URL Category and the Snort 3 detection engine could allow an unauthenticate…

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L.

Affected products

Cisco Firepower Threat Defense Software — versions 7.0.0, 7.0.0.1, 7.0.1

Weakness classification (CWE)

CWE-244

References

cisco-sa-sa-ftd-snort3-urldos-OccFQTeX

Frequently asked questions

What is CVE-2023-20177?: CVE-2023-20177 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under CWE-244. CVSS score: 4.0/10. Published 2023-11-01.
How severe is CVE-2023-20177?: Medium severity. CVSS v3 base score is 4.0 out of 10.