Medium severity · published Jan 21, 2022
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
4.9
CVSS
0.9%
EPSS
No
On KEV
Description
Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
moodle ·
3.11 to 3.11.2, 3.10 to 3.10.6, 3.9 to 3.9.9 and earlier unsupported versions · source: vendor, NVD
Affected product
MO
moodle
More from moodle
9.8
CVE-2022-40315
A limited SQL injection risk was identified in the "browse list of users" site administration page
9.8
CVE-2022-40314
A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified
8.8
CVE-2022-2986
Enabling and disabling installed H5P libraries did not include the necessary token to prevent a CSRF risk
7.1
CVE-2022-40313
Recursive rendering of Mustache template helpers containing user input could, in some cases, result in an XSS risk or a page failing to load
6.5
CVE-2021-40693
An authentication bypass risk was identified in the external database authentication functionality, due to a type juggling vulnerability