CVE-2018-0254

Published Apr 19, 2018 CVSS 3.0 · 5.3 Medium EPSS 1.2% KEV · Not listed
Description
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass configured file action policies if an Intelligent Application Bypass (IAB) with a drop percentage threshold is also configured. The vulnerability is due to incorrect counting of the percentage of dropped traffic. An attacker could exploit this vulnerability by sending network traffic to a targeted device. An exploit could allow the attacker to bypass configured file action policies, and traffic that should be dropped could be allowed into the network. Cisco Bug IDs: CSCvf86435.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-1077 A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass configured file action policies if an Intelligent Application Bypass (IAB) with a drop percentage threshold is also configured. The vulnerability is due to incorrect counting of the percentage of dropped traffic. An attacker could exploit this vulnerability by sending network traffic to a targeted device. An exploit could allow the attacker to bypass configured file action policies, and traffic that should be dropped could be allowed into the network. Cisco Bug IDs: CSCvf86435.
History
Type Values Removed Values Added
First Time appeared Cisco secure Firewall Threat Defense
CPEs cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:6.2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:6.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:6.2.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.2.2:*:*:*:*:*:*:*
Vendors & Products Cisco firepower Threat Defense
Cisco secure Firewall Threat Defense
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Nov 29, 2024, 3:16 PM
Reserved
Nov 27, 2017, 12:00 AM
Status
Modified
Published
Apr 19, 2018, 8:29 PM
Modified
Aug 11, 2026, 7:33 PM