How severe is CVE-2021-32474?

CVE-2021-32474 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32474?

CVE-2021-32474 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32474?

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-2021-32474 published?

CVE-2021-32474 was published on 2022-03-11 and last updated on 2026-06-17.

CVE-2021-32474

CVE-2021-32474 is a high-severity vulnerability in Moodle with a CVSS 3.x base score of 7.2. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Moodle
Published: 2022-03-11
Last modified: 2026-06-17

Description

An SQL injection risk existed on sites with MNet enabled and configured, via an XML-RPC call from the connected peer host. Note that this required site administrator access or access to the keypair. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected.

Frequently asked questions

What is CVE-2021-32474?: An SQL injection risk existed on sites with MNet enabled and configured, via an XML-RPC call from the connected peer host. Note that this required site administrator access or access to the keypair. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected.
How severe is CVE-2021-32474?: CVE-2021-32474 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32474?: CVE-2021-32474 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32474?: 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-2021-32474 published?: CVE-2021-32474 was published on 2022-03-11 and last updated on 2026-06-17.

References

https://moodle.org/mod/forum/discuss.php?d=422308

Affected products (1)

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

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