CVE-2015-2186
The Ansible edxapp role in the Configuration Repo in edX allows remote websites to spoof edX accounts by leveraging use of the string literal "False" instead of a boolean False for the CORS_ORIGIN_ALLOW_ALL setting.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The Ansible edxapp role in the Configuration Repo in edX allows remote websites to spoof edX accounts by leveraging use of the string literal "False" instead of a boolean False for the CORS_ORIGIN_ALLOW_ALL setting. Note: this vulnerability was fixed on 2015-03-06, but the version number was not changed.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.11% probability · 66th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- edx/configuration · edx/edx-platform
- Source
- cve@mitre.org
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/edx/configuration/pull/1885/filesPatch, Third Party Advisory
- https://open.edx.org/CVE-2015-2186Vendor Advisory
- https://github.com/edx/configuration/pull/1885/filesPatch, Third Party Advisory
- https://open.edx.org/CVE-2015-2186Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.