Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Firepower Threat Defense | 6.1.0.5 |
| Cisco | Amp 7150 | - |
| Cisco | Amp 8150 | - |
| Cisco | Firepower Appliance 7010 | - |
| Cisco | Firepower Appliance 7020 | - |
| Cisco | Firepower Appliance 7030 | - |
| Cisco | Firepower Appliance 7050 | - |
| Cisco | Firepower Appliance 7110 | - |
| Cisco | Firepower Appliance 7115 | - |
| Cisco | Firepower Appliance 7120 | - |
| Cisco | Firepower Appliance 7125 | - |
| Cisco | Firepower Appliance 8120 | - |
| Cisco | Firepower Appliance 8130 | - |
| Cisco | Firepower Appliance 8140 | - |
| Cisco | Firepower Appliance 8250 | - |
| Cisco | Firepower Appliance 8260 | - |
| Cisco | Firepower Appliance 8270 | - |
| Cisco | Firepower Appliance 8290 | - |
| Cisco | Firepower Appliance 8350 | - |
| Cisco | Firepower Appliance 8360 | - |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/103940Third Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
- http://www.securityfocus.com/bid/103940Third Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
FAQ
What is CVE-2018-0254?
CVE-2018-0254 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 Bypas...
How severe is CVE-2018-0254?
CVE-2018-0254 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-0254?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Firepower Threat Defense, Cisco Amp 7150, Cisco Amp 8150, Cisco Firepower Appliance 7010, Cisco Firepower Appliance 7020.