CVE-2024-20363 is a medium-severity vulnerability affecting multiple Cisco products, including Firepower Threat Defense and Snort, stemming from incorrect HTTP packet handling within the Snort Intrusion Prevention System (IPS) rule engine. An unauthenticated, remote attacker can exploit this by sending crafted HTTP packets, bypassing configured IPS rules. This allows uninspected traffic onto the network, with a CVSS score of 5.8. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.4.0CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_threat_defense:7.4.0:*:*:*:*:*:*:* | ||
17.6.4CPE matchmatch criteria | cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.4:*:*:*:*:*:*:* | ||
17.6.5CPE matchmatch criteria | cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.5:*:*:*:*:*:*:* | ||
17.12.1aCPE matchmatch criteria | cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.1a:*:*:*:*:*:*:* | ||
17.12.2CPE matchmatch criteria | cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.