CVE-2016-6439 is a denial-of-service vulnerability affecting Cisco Firepower System Software before version 6.0.1, specifically within its detection engine's HTTP packet reassembly. An unauthenticated, remote attacker can exploit this by sending a crafted HTTP packet stream, causing the Snort process to restart and potentially bypass traffic inspection or drop traffic. This vulnerability has a CVSSv3 score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.3.0CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:5.3.0:*:*:*:*:*:*:* | ||
5.3.0.2CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:5.3.0.2:*:*:*:*:*:*:* | ||
5.3.0.3CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:5.3.0.3:*:*:*:*:*:*:* | ||
5.3.0.4CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:5.3.0.4:*:*:*:*:*:*:* | ||
5.3.1CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:5.3.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No social media mentions found for this CVE.
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.