6.5

CVE-2025-53640

Exploit

Indico vulnerable to user enumeration via API endpoint

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Starting in version 2.2 and prior to version 3.3.7, an endpoint used to display details of users listed in certain fields (such as ACLs) could be misused to dump basic user details (such as name, affiliation and email) in bulk. Version 3.3.7 fixes the issue. Owners of instances that allow everyone to create a user account, who wish to truly restrict access to these user details, should consider restricting user search to managers. As a workaround, it is possible to restrict access to the affected endpoints (e.g. in the webserver config), but doing so would break certain form fields which could no longer show the details of the users listed in those fields, so upgrading instead is highly recommended.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cern ≫ Indico Version >= 2.2 < 3.3.7
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.57% 0.424
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
security-advisories@github.com 5.3 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

CWE-639 Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

https://github.com/indico/indico/security/advisories/GHSA-q28v-664f-q6wj
Vendor Advisory
https://docs.getindico.io/en/stable/config/settings/#ALLOW_PUBLIC_USER_SEARCH
Product
https://docs.getindico.io/en/stable/installation/upgrade
Product
https://github.com/indico/indico/releases/tag/v3.3.7
Release Notes
https://www.vicarius.io/vsociety/posts/cve202553640-detect-indico-vulnerability
Third Party Advisory
Exploit
https://www.vicarius.io/vsociety/posts/cve202553640-mitigate-indico-vulnerability
Third Party Advisory
Exploit
Mitigation