Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Apache Apache Tomcat — A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 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 coul…
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U N N H 7.5 .2670 98.0 —
AFFECTED
Product Versions Fixed
Apache Tomcat 10.0.0-M1 to 10.0.0-M5 – —
TIMELINE
Apr 21 Reserved by apache
Jun 26 Published (CNA: apache)
Oct 8 ENRICHED — CVE-2020-11996 (Apache Tomcat). Received CVSS 7.5 and CPE data from NVD.
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-11996 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
