VULNERABILITY INTELLIGENCE
CVE-2023-44487
CVSS score7.5 HIGH
EPSS probability100.00%
CISA KEVKnown exploited vulnerability
Published2023-10-10
Last modified2026-08-11
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Known Exploited Vulnerability
HTTP/2 Rapid Reset Attack Vulnerability
Vendor / product: IETF / HTTP/2
Description
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Weakness classification
- CWE-400: Uncontrolled Resource Consumption
Primary references
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Press/Media Coverage, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Technical Description, Vendor Advisory