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Product
Threat intelligence API
Get started
Live feed
Free feeds
CLI & agents
The data
Incident records
Dark web
Validated IOCs
Vulnerabilities
Entity graph
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Back
HTTP/2 Rapid Reset
Vulnerability
Threat entity extracted from intelligence sources
Entities
›
vulnerability
›
HTTP/2 Rapid Reset
Frequency
2
occurrences
First Seen
November 5, 2025
Last Seen
August 12, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
Associated Malware
Mirai
Tools Used
Google Cloud
Rescue
MITRE Techniques
T1566 - Phishing
Affected Platforms
Cloudflare Pages
EBay
GitHub
HTTP/2
Memcached
Pages.dev
Regions
Britain
China
Ecuador
Estonia
Russia
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
1
IA
Initial Access
T1566 - Phishing
-
EX
Execution
No techniques detected
-
PE
Persistence
No techniques detected
-
PE
Priv Esc
No techniques detected
-
DE
Defense Evasion
No techniques detected
-
CA
Cred Access
No techniques detected
-
DI
Discovery
No techniques detected
-
LM
Lateral Mov
No techniques detected
-
CO
Collection
No techniques detected
-
C2
C2
No techniques detected
-
EX
Exfil
No techniques detected
-
IM
Impact
No techniques detected
1
techniques detected across
1
tactics
Related Clusters (4)
Surge in DDoS Attacks Over 1 Tbps Amidst Botnet Resurgence
Aug 11
·
18 sources
71
Operation PowerOFF Targets 75,000 DDoS-for-Hire Users Worldwide
Apr 16
·
20 sources
62
Phishing Campaign Targets Zendesk and Cloudflare Users
Nov 27
·
8 sources
26
Phishing Campaign Exploits Cloudflare and ZenDesk to Steal User Credentials
Nov 5
·
3 sources
11
Related Articles (2)
Aisuru botnet.
www.cloudflare.com
·
Aug 12
Phishing Campaign Targets Cloudflare Pages and Zendesk to Mimic Support Portals
Cxtoday
·
Nov 5
Related Entities
DDoS
Phishing
AWS
Airbnb
Amazon
Azure
Cloudflare
CNN
Dell
Dyn
E-Trade
Netflix