Improper input validation in Cisco Firepower Threat Defense Software

CVE-2019-1978

A vulnerability in the stream reassembly component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to byp…

EPSS: 0.094 (94.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-1978?
CVE-2019-1978 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under CWE-264. CVSS score: 5.8/10. Published 2019-11-05.
How severe is CVE-2019-1978?
Medium severity. CVSS v3 base score is 5.8 out of 10.
Is CVE-2019-1978 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.