CVE-2021-40694

MEDIUMCVSS 4.9/10EPSS 0.90%

Last modified

CVE-2021-40694 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
4.9/10

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

EPSS Probability
0.90%

55.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle< 3.9.10
MoodleMoodle>= 3.10.0, < 3.10.7
MoodleMoodle>= 3.11.0, < 3.11.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-40694?
Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.
How severe is CVE-2021-40694?
CVE-2021-40694 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40694?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40694?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST