CVE-2012-5572

What it is

CRLF injection vulnerability in the cookie method (lib/Dancer/Cookie.pm) in Dancer before 1.3114 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a cookie name, a different vulnerability than CVE-2012-5526.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

1.5% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2014-05-30 14:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:47 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.5% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2014-05-30 14:55 UTC

Last modified

2026-06-16 23:47 UTC

Exploit probability

1.5% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Dancer ≤ 1.3113
• Dancer 1.150
• Dancer 1.3060
• Dancer 1.3071
• Dancer 1.3079_3
• Dancer 1.3079_5
• Dancer 1.3110
• Dancer 1.3111

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

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