Is CVE-2021-40695 in the CISA KEV catalog?

No. CVE-2021-40695 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40695?

CVE-2021-40695 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-40695?

CVE-2021-40695 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40695?

Upgrade moodle to 3.11.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-40695

MEDIUM

4.3

CVSS v3

NVD

Description

It was possible for a student to view their quiz grade before it had been released, using a quiz web service.

How to fix

Remediation Available

moodleNVD

Affected:>= 3.11.0, < 3.11.3Fixed in:3.11.3CVE-2021-40695derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Third-Party Advisory1

bugzilla.redhat.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.