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CVE-2012-2374

18
FAUCET Score

CVE-2012-2374 describes a CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function of Tornado versions prior to 2.2.1. This flaw allows remote attackers to inject arbitrary HTTP headers, potentially leading to HTTP response splitting attacks. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having a low attack complexity, with potential impact on integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2CPE matchmatch criteria
cpe:2.3:a:tornadoweb:tornado:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:tornadoweb:tornado:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:tornadoweb:tornado:1.0.1:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:tornadoweb:tornado:1.1:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:tornadoweb:tornado:1.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
68.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0136 is in the 50th percentile among its peer group of 23,690 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: tornadoFixed in: 2.2.1

Vendor Advisories (1)

pipGHSA-f7fv-v9rh-prvchigh

Tornado CRLF injection vulnerability

May 17, 2022

References

openwall.com / lists/oss-security/2012/05/18/12
secunia.com / advisories/49185
openwall.com / lists/oss-security/2012/05/18/6
securityfocus.com / bid/53612
tornadoweb.org / documentation/releases/v2.2.1.html
Vendor Advisory