How severe is CVE-2007-1647?

CVE-2007-1647 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-1647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1647?

CVE-2007-1647 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1647?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-1647 published?

CVE-2007-1647 was published on 2007-03-24 and last updated on 2026-06-16.

CVE-2007-1647

CVE-2007-1647 is a high-severity vulnerability in Moodle with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Moodle
Published: 2007-03-24
Last modified: 2026-06-16

Description

Moodle 1.5.2 and earlier stores sensitive information under the web root with insufficient access control, and provides directory listings, which allows remote attackers to obtain user names, password hashes, and other sensitive information via a direct request for session (sess_*) files in moodledata/sessions/.

Frequently asked questions

What is CVE-2007-1647?: Moodle 1.5.2 and earlier stores sensitive information under the web root with insufficient access control, and provides directory listings, which allows remote attackers to obtain user names, password hashes, and other sensitive information via a direct request for session (sess_*) files in moodledata/sessions/.
How severe is CVE-2007-1647?: CVE-2007-1647 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-1647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1647?: CVE-2007-1647 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-1647 published?: CVE-2007-1647 was published on 2007-03-24 and last updated on 2026-06-16.

References

Affected products (1)

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

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