How severe is CVE-2024-45691?

CVE-2024-45691 has a CVSS 3.x base score of 5.4, 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 low, and availability none.

Is CVE-2024-45691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-45691?

CVE-2024-45691 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-45691?

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

Does CVE-2024-45691 have an EU (EUVD) identifier?

Yes. CVE-2024-45691 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3390.

When was CVE-2024-45691 published?

CVE-2024-45691 was published on 2024-11-20 and last updated on 2026-06-17.

CVE-2024-45691

CVE-2024-45691 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3390
Affected product: Moodle
Published: 2024-11-20
Last modified: 2026-06-17

Description

A flaw was found in Moodle. When restricting access to a lesson activity with a password, certain passwords could be bypassed or less secure due to a loose comparison in the password-checking logic. This issue only affected passwords set to "magic hash" values.

Frequently asked questions

What is CVE-2024-45691?: A flaw was found in Moodle. When restricting access to a lesson activity with a password, certain passwords could be bypassed or less secure due to a loose comparison in the password-checking logic. This issue only affected passwords set to "magic hash" values.
How severe is CVE-2024-45691?: CVE-2024-45691 has a CVSS 3.x base score of 5.4, 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 low, and availability none.
Is CVE-2024-45691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-45691?: CVE-2024-45691 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-45691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-45691 have an EU (EUVD) identifier?: Yes. CVE-2024-45691 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3390.
When was CVE-2024-45691 published?: CVE-2024-45691 was published on 2024-11-20 and last updated on 2026-06-17.

References

Affected products (1)

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

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