Is CVE-2012-2374 actively exploited?

CVE-2012-2374 has no public evidence of in-the-wild exploitation as of 2026-04-29.

What is the CVSS score for CVE-2012-2374?

CVE-2012-2374 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N.

How do I patch CVE-2012-2374?

Patch guidance is available from tornadoweb security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2012-2374.

CVE-2012-2374 - remediation guidance & executive summary

Q: Which products are affected by CVE-2012-2374?

10 products: tornadoweb tornado, tornadoweb tornado, tornadoweb tornado, tornadoweb tornado, tornadoweb tornado, and 5 more.

Description

CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: none
Integrity: partial
Availability: none
Weaknesses: CWE-20 · Improper Input Validation

Metadata

Primary Vendor: TORNADOWEB
Published: 5/23/2012
Last Modified: 4/29/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

tornadoweb : tornadotornadoweb : tornadotornadoweb : tornadotornadoweb : tornadotornadoweb : tornadotornadoweb : tornadotornadoweb : tornadotornadoweb : tornadotornadoweb : tornadotornadoweb : tornado

Remediation Guidance

Executive Summary

Cite this page

CVE-2012-2374. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2012-2374

View on NIST NVD

CVE-2012-2374 vulnerability