CVE Database · CVE-2023-44487
CVSS v3.1
7.5
EPSS
100.00%
Published
Oct 10, 2023
Modified
May 12, 2026
CISA Known Exploited Vulnerability
Added: 2023-10-10 · Due: 2023-10-31
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit (10)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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:HWeaknesses (CWE)
Affected Products (464)
References (20)
...and 414 more