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CVE-2025-47942

Learners on edX Platform can download python_lib.zip

MEDIUM
5.3
CVSS Score
Published: May 21, 2025 at 09:15 PM UTC
Updated: June 17, 2026 at 09:28 AM UTC
1 product affected across 1 vendorEdx Platform

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Edx Platform· Openedx
60%
v < 6740e75c0fdc7ba095baf88e9f5e4f3e15cfd8ba

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISC
Source: [email protected]
https://github.com/edx/configuration/blob/3471fc036a6664cedd3e2d78403dca73bc1cda51/playbooks/roles/nginx/templates/edx/app/nginx/sites-available/python_lib.zip.j2
x_refsource_MISC
Source: [email protected]
https://github.com/openedx/edx-platform/commit/6740e75c0fdc7ba095baf88e9f5e4f3e15cfd8ba
x_refsource_CONFIRM
Source: [email protected]
https://github.com/openedx/edx-platform/security/advisories/GHSA-x5cm-2hpq-pw57

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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