CVE-2023-44487CISA KEVEPSS p100.0%

CVE-2023-44487HTTP/2 Rapid Reset Attack Vulnerability

IETF / HTTP/2

Description

HTTP/2 contains a rapid reset vulnerability that allows for a distributed denial-of-service attack (DDoS).

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS100.00% probability of exploitation · percentile 100.0% · 2026-09-26T12:00:22Z
Last modified2026-08-11

CISA KEV entry

Added to KEV: 2023-10-10

(incoming)1

TypeTargetConfidenceTier
KEVEntryHTTP/2 Rapid Reset Attack Vulnerabilitykev-cve-2023-444870%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-49160
CVE
CVE-2026-41983
CVE
CVE-2026-23918
CVE
CVE-2026-34865
CVE
CVE-2026-5264
CVE
CVE-2026-41977
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.