CVE-2019-6619 describes a denial-of-service vulnerability affecting F5 BIG-IP products across several versions (14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4). The vulnerability allows an unauthenticated attacker to cause the Traffic Management Microkernel (TMM) to restart by sending specially crafted HTTP/2 traffic with a zero-sized ALPN extension to a virtual server configured with an HTTP/2 profile and ALPN enabled. This issue carries a CVSS score of 7.5 (High), indicating a high impact on availability with low attack complexity and no user interaction required. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.1.0, < 12.1.4.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 13.0.0, < 13.1.1.5CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 14.0.0, < 14.1.0.2CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 12.1.0, < 12.1.4.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | ||
>= 13.0.0, < 13.1.1.5CPE 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.