CVE-2019-1978CWE-20

CVE-2019-1978

Medium · published November 6, 2019

CVSS v3.1
5.8
EPSS
9%
Percentile
95.4
In the wild
Unconfirmed
What it is

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 bypass filtering protections. The vulnerability is due to improper reassembly of traffic streams. An attacker could exploit this vulnerability by sending crafted streams through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious requests to protected systems that would otherwise be blocked.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.09382 · 95.4th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2019-11-06T01:15Z
Affected products (7)
ProductVersionsFixed in
cisco/firepower_services_software_for_asaall versions—
cisco/secure_firewall_management_center≥ 2.9.12, ≤ 2.9.12.15—
cisco/secure_firewall_management_center≥ 2.9.13, ≤ 2.9.13.6—
cisco/secure_firewall_management_center≥ 2.9.14.0, ≤ 2.9.14.5—
cisco/secure_firewall_management_centerall versions—
cisco/secure_firewall_management_centerall versions—
cisco/secure_firewall_threat_defenseall versions—
References (2)
EPSS history
Timeline
  • 05 NOV 19:35Z
    Cisco Firepower Threat Defense Software Stream Reassembly Bypass Vulnerability
    cvelistv5