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CVE-2018-0384

CVE information

Published

5 years ago

Last Modified

4 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

Description

A vulnerability in the detection engine of Cisco FireSIGHT System Software could allow an unauthenticated, remote attacker to bypass a URL-based access control policy that is configured to block traffic for an affected system. The vulnerability exists because the affected software incorrectly handles TCP packets that are received out of order when a TCP SYN retransmission is issued. An attacker could exploit this vulnerability by sending a maliciously crafted connection through an affected device. A successful exploit could allow the attacker to bypass a URL-based access control policy that is configured to block traffic for the affected system. Cisco Bug IDs: CSCvh84511..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Medium
Base Score
5.8/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
1.4/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
Low
Scope
Changed
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:cisco:firepower_management_center:6.0.0:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:firepower_management_center:6.2.1:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:firepower_management_center:6.1.0:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:firepower_management_center:6.2.0:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:firepower_management_center:6.2.2:*:*:*:*:*:
  Yes
- -