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CVE-2018-0297

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 Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic. The vulnerability is due to the incorrect handling of TCP SSL packets received out of order. An attacker could exploit this vulnerability by sending a crafted SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured SSL AC policy to block SSL traffic. Cisco Bug IDs: CSCvg09316..

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_threat_defense:6.0.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.2.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.1.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.2.2:*:*:*:*:*:*:*
  Yes
- -