CVE-2021-31780
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk59th percentile - higher than 59% of all known CVEs
Summary
In MISP 2.4.141 in app/Model/MispObject.php, an incorrect sharing group association could lead to information disclosure on an event edit. Instead of using the sharing group object, the passed local ID is reused.
Risk Assessment
The organization may be exposed to the disclosure of sensitive information, potentially leading to privacy breaches and data security issues.
Recommendation
It is recommended to update to the latest version of MISP to mitigate this vulnerability and to review and monitor sharing group associations in the system.
Other vulnerabilities in MISP 2.4.141
See all- CVE-2026-61474Medium
An improper authorization check in MISP's attribute creation endpoint allowed an authenticated user with permission to add attributes to submit a sharing_group_id without triggering the corresponding sharing group authorization check, as long as the attribute distribution value was not explicitly set to 4 — 'sharing group'.
- CVE-2017-14337High
In MISP versions before 2.4.80, when configured with X.509 certificate authentication alongside a non-MISP external user management API, an unauthenticated user can gain access as an arbitrary user if the API returns an empty value.
- CVE-2026-10868Critical
MISP has a mass assignment vulnerability in the user edit functionality (UsersController::edit()). An authenticated attacker can modify the user ID in the request, leading to updates on another user's account.
- CVE-2026-10611Critical
MISP contains an authentication bypass vulnerability when LDAP mixed authentication is enabled with OTP enforcement. An authenticated user can bypass the OTP step and access the application without providing a TOTP, HOTP, or email OTP code.
- CVE-2024-29859Critical
In MISP before version 2.4.187, the add_misp_export function in app/Controller/EventsController.php does not properly check for a valid file upload.
- CVE-2024-25674Critical
An issue was discovered in MISP before version 2.4.184 related to insecure organization logo uploads due to a lack of checks for file extension and MIME type.
- CVE-2023-50918Critical
In app/Controller/AuditLogsController.php in MISP before version 2.4.182, ACLs for audit logs are mishandled.
- CVE-2023-48659Critical
An issue was discovered in MISP before version 2.4.176 related to mishandling parameter parsing in app/Controller/AppController.php.
- CVE-2022-29528Critical
An issue was discovered in MISP before version 2.4.158 related to PHAR deserialization.
- CVE-2021-39302Critical
MISP version 2.4.148, in certain configurations, allows SQL injection via the $conditions['org'] value in the app/Model/Log.php file.
Original NVD description (English source)
In app/Model/MispObject.php in MISP 2.4.141, an incorrect sharing group association could lead to information disclosure on an event edit. When an object has a sharing group associated with an event edit, the sharing group object is ignored and instead the passed local ID is reused.