Vulnerability in Cisco Firepower Threat Defense Software

CVE-2019-1970

A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) protocol inspection engine of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the configured file policies on an affected system. The vulnerability is due to errors when handling specific SSL/TLS messages. An attacker could exploit this vulnerability by sending crafted HTTP packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured file policies and deliver a malicious payload to the protected network.

EPSS: 0.015 (71.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-1970?
CVE-2019-1970 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Protection Mechanism Failure. CVSS score: 5.8/10. Published 2019-08-08.
How severe is CVE-2019-1970?
Medium severity. CVSS v3 base score is 5.8 out of 10.