CVE-2024-21771 is a high-severity denial-of-service vulnerability affecting F5 BIG-IP Advanced Firewall Manager (AFM). Unspecified traffic patterns can cause the AFM IPS engine to consume excessive resources matching signatures, leading to Traffic Management Microkernel (TMM) restarts and service disruption. With a CVSS score of 7.5, this vulnerability is network-exploitable with low attack complexity, requiring no user interaction or privileges, and primarily impacts availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 15.1.0, < 15.1.9CPE match | cpe:2.3:a:f5:big-ip:*:*:*:*:*:*:*:* | ||
>= 16.1.0, < 16.1.4CPE match | cpe:2.3:a:f5:big-ip:*:*:*:*:*:*:*:* | ||
>= 17.1.0, < 17.1.1CPE match | cpe:2.3:a:f5:big-ip:*:*:*:*:*:*:*:* | ||
>= 15.1.0, < 15.1.9CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | ||
>= 16.1.0, < 16.1.4CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Remediation records are not available for this CVE.