CVE-2021-28122 Information

Description

A request-validation issue was discovered in Open5GS 2.1.3 through 2.2.x before 2.2.1. The WebUI component allows an unauthenticated user to use a crafted HTTP API request to create read update or delete entries in the subscriber database. For example new administrative users can be added. The issue occurs because Express is not set up to require authentication.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/open5gs/open5gs/releases https://github.com/open5gs/open5gs/pull/838 https://github.com/open5gs/open5gs/issues/837 https://github.com/open5gs/open5gs/compare/v2.2.0…v2.2.1

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8