What is CVE-2024-58384?

CVE-2024-58384 is a medium-severity vulnerability in Tornadoweb Tornado, classified under HTTP Response Splitting. CVSS score: 5.4/10. Published 2026-09-15.

How severe is CVE-2024-58384?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Tornadoweb Tornado

CVE-2024-58384

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.

Published 2026-09-15 · last modified 2026-09-28.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (16.2th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Tornadoweb Tornado

Weakness classification (CWE)

CWE-113 — HTTP Response Splitting

References

github.com/tornadoweb/tornado/security/advisories/GHSA-w235-7p84-xx57 (vendor-advisory)
www.vulncheck.com/advisories/tornado-before-6.4.1-crlf-injection-via-curlasynch… (third-party-advisory)

Frequently asked questions

What is CVE-2024-58384?: CVE-2024-58384 is a medium-severity vulnerability in Tornadoweb Tornado, classified under HTTP Response Splitting. CVSS score: 5.4/10. Published 2026-09-15.
How severe is CVE-2024-58384?: Medium severity. CVSS v3 base score is 5.4 out of 10.