CVE-2017-7531

CVE-2017-7531 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Description

In Moodle 3.3, the course overview block reveals activities in hidden courses.

Frequently asked questions

What is CVE-2017-7531?
In Moodle 3.3, the course overview block reveals activities in hidden courses.
How severe is CVE-2017-7531?
CVE-2017-7531 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2017-7531 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7531?
CVE-2017-7531 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7531?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-7531 published?
CVE-2017-7531 was published on 2017-07-17 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Moodle

All CVEs affecting Moodle →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →