CVE-2020-11996 describes a denial-of-service vulnerability in Apache Tomcat versions 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35, and 8.5.0 to 8.5.55, affecting various distributions including Canonical, Debian, and Oracle. This flaw allows an unauthenticated attacker to trigger high CPU usage and potential server unresponsiveness through specially crafted HTTP/2 requests. Rated with a CVSS score of 7.5 (High), the vulnerability has a low attack complexity and can lead to a complete loss of availability. Despite its severity, 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 |
|---|---|---|---|
>= 8.5.0, <= 8.5.55CPE matchmatch criteria | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | ||
>= 9.0.0, <= 9.0.35CPE matchmatch criteria | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | ||
9.0.0CPE matchmatch criteria | cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:* | ||
9.0.0CPE matchmatch criteria | cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:* | ||
9.0.0CPE matchmatch criteria | cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:* |
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
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.