CVE-2018-15443
Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability
- State
- Published
- Severity
- 5.8 Medium
- Published
- Nov 8, 2018
- Updated
- Nov 26, 2024
- Reserved
- Aug 17, 2018
Description
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a configured Intrusion Prevention System (IPS) rule that inspects certain types of TCP traffic. The vulnerability is due to incorrect TCP retransmission handling. An attacker could exploit this vulnerability by sending a crafted TCP connection request through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 5.8 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N | cisco |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Cisco Firepower Management CenterCisco |
|
References
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