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CVE-2011-4586

UnknownEPSS 2.10%

Last modified

CVE-2011-4586 is a vulnerability of currently unknown severity. CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.. EPSS estimates a 2.10% chance of exploitation in the next 30 days.

Description

CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

Metrics

EPSS Probability
2.10%

79.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MoodleMoodle1.9.1
MoodleMoodle1.9.2
MoodleMoodle1.9.3
MoodleMoodle1.9.4
MoodleMoodle1.9.5
MoodleMoodle1.9.6
MoodleMoodle1.9.7
MoodleMoodle1.9.8
MoodleMoodle1.9.9
MoodleMoodle1.9.10
MoodleMoodle1.9.11
MoodleMoodle1.9.12
MoodleMoodle1.9.13
MoodleMoodle1.9.14
MoodleMoodle2.0.0
MoodleMoodle2.0.1
MoodleMoodle2.0.2
MoodleMoodle2.0.3
MoodleMoodle2.0.4
MoodleMoodle2.0.5
MoodleMoodle2.1.0
MoodleMoodle2.1.1
MoodleMoodle2.1.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-4586?
CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
How severe is CVE-2011-4586?
Severity scoring for CVE-2011-4586 is pending analysis. The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4586?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4586?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST