CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: Oct 31, 2023

High

CISA KEV

CVE-2023-44487

IETF—HTTP/2

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

Required Action

This vulnerability affects a common open-source component, third-party library, or protocol used by different products. For more information, please see: HTTP/2 Rapid Reset Vulnerability, CVE-2023-44487 | CISA: https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487; https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/; https://nvd.nist.gov/vuln/detail/CVE-2023-44487

Vulnerability Overview

Severity: High
CISA KEV: Yes
Ransomware: Unknown
Published: Oct 10, 2023
KEV Added: Oct 10, 2023
Due Date: Oct 31, 2023
Related Articles: 0

Vendor

IETF

HTTP/2