CVE-2018-15443 describes a vulnerability in Cisco Firepower System Software's detection engine, allowing an unauthenticated, remote attacker to bypass configured Intrusion Prevention System (IPS) rules. This flaw stems from incorrect TCP retransmission handling, enabling an attacker to send crafted TCP connection requests to bypass inspection. With a CVSS score of 7.5 (HIGH), the vulnerability has a low attack complexity and requires no user interaction, potentially leading to uninspected traffic entering the network. While the FAUCET Risk Score is 53/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:cisco:firepower_system_software:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.