Medium severity · published Sep 15, 2026
CVE-2024-58384
Tornado before 6.4.1 CRLF Injection via CurlAsyncHTTPClient
5.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
tornado · tornadoweb
before 6.4.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-58384
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-58384
github.com
https://github.com/tornadoweb/tornado/security/advisories/GHSA-w235-7p84-xx57
www.vulncheck.com
https://www.vulncheck.com/advisories/tornado-before-6.4.1-crlf-injection-via-curlasynchttpclient
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