GHSA-4rgh-jx4f-qfcq · Severity: medium · Ecosystem: pub — http before 0.13.3 vulnerable to header injection
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.
Conclusion & alert: CVE-2020-35669 is rated High Exploit Risk (73.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 25.38%, 96th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-22 | 25.24% | 25.38% | +0.14% |
| 2 | 2026-03-06 | 25.31% | 25.24% | -0.07% |
| 3 | 2025-11-21 | — | 25.31% | — |
Full EPSS history (22 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-4rgh-jx4f-qfcq · Severity: medium · Ecosystem: pub — http before 0.13.3 vulnerable to header injection
| URL | Tags |
|---|---|
| https://github.com/dart-lang/http/blob/master/CHANGELOG.md#0133 | Broken Link Release Notes Third Party Advisory |
| https://github.com/dart-lang/http/issues/511 | Exploit Patch Third Party Advisory |