CVE-2023-44487 - IETF HTTP/2
AI Vulnerability ContextThe 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.
Overview
A source-backed snapshot of this vulnerability.
CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
How serious this vulnerability is and whether it is known to be exploited.
CISA KEVHIGH
- CVE ID
- CVE-2023-44487
- Vendor/project
- IETF
- Product
- HTTP/2
- Vulnerability name
- HTTP/2 Rapid Reset Attack Vulnerability
- Date added
- 2023-10-10
- Due date
- 2023-10-31
- Known ransomware campaign use
- Unknown
- CVSS v3
- 7.5
CWE-400
Exploit context
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No description available. The source record only contains identifiers and metadata.
Source evidence
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Original source
Original source links
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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2023-44487CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-datacve@mitre.orghttp://www.openwall.com/lists/oss-security/2023/10/10/6cve@mitre.orghttp://www.openwall.com/lists/oss-security/2023/10/10/7af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/10/13/4af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/10/13/9af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/10/18/4af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/10/18/8af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/10/19/6af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/10/20/8af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/cve-2023-44487af854a3a-2127-422b-91ae-364da2661108https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/af854a3a-2127-422b-91ae-364da2661108https://aws.amazon.com/security/security-bulletins/AWS-2023-011/af854a3a-2127-422b-91ae-364da2661108https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/