How severe is CVE-2006-4937?

CVE-2006-4937 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2006-4937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4937?

CVE-2006-4937 primarily affects Moodle. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4937?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-4937 published?

CVE-2006-4937 was published on 2006-09-23 and last updated on 2026-06-16.

CVE-2006-4937

CVE-2006-4937 is a medium-severity vulnerability in Moodle with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Moodle
Published: 2006-09-23
Last modified: 2026-06-16

Description

lib/setup.php in Moodle before 1.6.2 sets the error reporting level to 7 to display E_WARNING messages to users even if debugging is disabled, which might allow remote authenticated users to obtain sensitive information by triggering the messages.

Frequently asked questions

What is CVE-2006-4937?: lib/setup.php in Moodle before 1.6.2 sets the error reporting level to 7 to display E_WARNING messages to users even if debugging is disabled, which might allow remote authenticated users to obtain sensitive information by triggering the messages.
How severe is CVE-2006-4937?: CVE-2006-4937 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2006-4937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4937?: CVE-2006-4937 primarily affects Moodle. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4937?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4937 published?: CVE-2006-4937 was published on 2006-09-23 and last updated on 2026-06-16.

References

http://docs.moodle.org/en/Release_notes#Moodle_1.6.2

Affected products (2)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:1.6.0:*:*:*:*:*:*:*

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