How severe is CVE-2024-33996?

CVE-2024-33996 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-33996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33996?

CVE-2024-33996 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-33996?

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

Does CVE-2024-33996 have an EU (EUVD) identifier?

Yes. CVE-2024-33996 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1420.

When was CVE-2024-33996 published?

CVE-2024-33996 was published on 2024-05-31 and last updated on 2026-06-17.

CVE-2024-33996

CVE-2024-33996 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 6.2. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1420
Weakness: CWE-20
Affected product: Moodle
Published: 2024-05-31
Last modified: 2026-06-17

Description

Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.

Frequently asked questions

What is CVE-2024-33996?: Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.
How severe is CVE-2024-33996?: CVE-2024-33996 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-33996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33996?: CVE-2024-33996 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-33996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-33996 have an EU (EUVD) identifier?: Yes. CVE-2024-33996 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1420.
When was CVE-2024-33996 published?: CVE-2024-33996 was published on 2024-05-31 and last updated on 2026-06-17.

References

https://moodle.org/mod/forum/discuss.php?d=458384#p1840909

Affected products (1)

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

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