Is CVE-2021-40694 in the CISA KEV catalog?

No. CVE-2021-40694 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40694?

CVE-2021-40694 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2021-40694?

CVE-2021-40694 has an EPSS score of 0.90% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40694?

Upgrade moodle to 3.11.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-40694

MEDIUM

4.9

CVSS v3

NVD

Description

Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.

CWE-116

How to fix

Remediation Available

moodleNVD

Affected:>= 3.11.0, < 3.11.3Fixed in:3.11.3CVE-2021-40694derived 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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.90%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Third-Party Advisory1

bugzilla.redhat.com

Related Vulnerabilities

Other CWE-116 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-38475	Critical	9.1	100%	KEV	Fix
CVE-2022-36446	Critical	9.8	96%	-	Fix
CVE-2021-31806	Medium	6.5	96%	-	Fix
CVE-2022-30781	High	7.5	88%	-	Fix
CVE-2022-36099	Critical	9.9	76%	-	Fix
CVE-2022-36100	Critical	9.9	74%	-	Fix

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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.