Medium severity · published May 21, 2025
CVE-2025-47942
Learners on edX Platform can download python_lib.zip
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
The Open edX Platform is a learning management platform. Prior to commit 6740e75c0fdc7ba095baf88e9f5e4f3e15cfd8ba, edxapp has no built-in protection against downloading the python_lib.zip asset from courses, which is a concern since it often contains custom grading code or answers to course problems. This potentially affects any course using custom Python-graded problem blocks. The openedx/configuration repo has had a patch since 2016 in the form of an nginx rule, but this was only intended as a temporary mitigation. As the configuration repo has been deprecated and we have not been able to locate any similar protection in Tutor, it is likely that most deployments have no protection against python_lib.zip being downloaded. The recommended mitigation, implemented in commit 6740e75c0fdc7ba095baf88e9f5e4f3e15cfd8ba, restricts python_lib.zip downloads to just the course team and site staff/superusers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ED
edx-platform · openedx
< 6740e75c0fdc7ba095baf88e9f5e4f3e15cfd8ba · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-47942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-47942
github.com
https://github.com/edx/configuration/blob/3471fc036a6664cedd3e2d78403dca73bc1cda51/playbooks/roles/nginx/templates/edx/app/nginx/sites-available/python_lib.zip.j2
github.com
https://github.com/openedx/edx-platform/commit/6740e75c0fdc7ba095baf88e9f5e4f3e15cfd8ba
github.com
https://github.com/openedx/edx-platform/security/advisories/GHSA-x5cm-2hpq-pw57
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