CVE-2024-58384

Tornado before 6.4.1 CRLF Injection via CurlAsyncHTTPClient

At a glance

Severity: MEDIUM 6.3
EPSS: EPSS 0.25 % · percentile 16 (2026-10-27)
State: PUBLISHED
Published: 2026-09-15
Updated: 2026-09-17
Assigner: VulnCheck
NVD status: Deferred

Description

Tornado before 6.4.1 contains a CRLF injection vulnerability in CurlAsyncHTTPClient that fails to reject carriage return and line feed characters in request headers. Attackers can inject CRLF sequences into header values to inject arbitrary headers or construct entirely new HTTP requests.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	MEDIUM 6.3	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N	VulnCheck
CVSS 3.1	MEDIUM 5.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N	VulnCheck
CVSS 4.0	MEDIUM 6.3	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · disclosure@vulncheck.com (Secondary)
CVSS 3.1	MEDIUM 5.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N	NVD · disclosure@vulncheck.com (Secondary)

Weaknesses (CWE)

CWE-113

Advisories

GHSA-w235-7p84-xx57 — Tornado has a CRLF injection in CurlAsyncHTTPClient headers

European references

ENISA EUVD · EUVD-2024-55766
GCVE · GCVE-0-2024-58384

Affected products

Product	Versions
tornadoweb · tornado	affected 0 < 6.4.1 ; unaffected 6.4.1

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD