CVE-2020-35669
An issue was discovered in the http package through 0.12.2 for Dart. If the attacker controls the HTTP method and the app is using Request directly, it's...
- Published
- Dec 24, 2020
- Updated
- Aug 4, 2024
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NLow · next 30 days
- Percentile
- 81.1%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
An issue was discovered in the http package through 0.12.2 for Dart. If the attacker controls the HTTP method and the app is using Request directly, it's possible to achieve CRLF injection in an HTTP request.
Sources
1Proof-of-concept exploit for CVE-2020-35669 demonstrating HTTP request smuggling and header injection in Dart's http package via crafted method parameters, enabling reverse proxy bypass and host header manipulation.
Responsible use
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