CVE-2023-44487

HIGH7.5

CISA KEV

Published 2023-10-10 · Updated 2026-08-11 · Source cve@mitre.org

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.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-400

CISA Known-Exploited Vulnerability

Product: IETF — HTTP/2

Name: HTTP/2 Rapid Reset Attack Vulnerability

Date added: 2023-10-10 · Due: 2023-10-31

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

View on NVD

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