How severe is CVE-2021-40692?

CVE-2021-40692 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 none, integrity low, and availability none.

Is CVE-2021-40692 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40692?

CVE-2021-40692 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40692?

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

When was CVE-2021-40692 published?

CVE-2021-40692 was published on 2022-09-29 and last updated on 2026-06-17.

CVE-2021-40692

CVE-2021-40692 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Moodle
Published: 2022-09-29
Last modified: 2026-06-17

Description

Insufficient capability checks made it possible for teachers to download users outside of their courses.

Frequently asked questions

What is CVE-2021-40692?: Insufficient capability checks made it possible for teachers to download users outside of their courses.
How severe is CVE-2021-40692?: CVE-2021-40692 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 none, integrity low, and availability none.
Is CVE-2021-40692 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40692?: CVE-2021-40692 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40692?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40692 published?: CVE-2021-40692 was published on 2022-09-29 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2043414

Affected products (1)

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

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