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CVE
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CVE-2018-0254Date: (C)2018-04-24   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.3CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: NONEAvailability: NONE
Integrity: LOW 
Availability: NONE 
  
Reference:
BID-103940
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-fss2

CPE    6
cpe:/h:cisco:firepower_appliance_8390:-
cpe:/h:cisco:firepower_appliance_8370:-
cpe:/a:cisco:firepower_threat_defense:6.2.0.2
cpe:/h:cisco:firepower_appliance_8260:-
...
CWE    1
CWE-693

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