Username Enumeration

CVE-2021-45925

Summary

Observable discrepancies in the login process allow an attacker to guess legitimate user names registered in the BMC.

Impact

 

By supplying an arbitrary username, based on the response, an un-authenticated remote attacker would be able to determine the existence of the input username in the application.

Issue Date

October 21, 2022

Affects

The vulnerability affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0

CVE Name

CVE-2021-45925

CVSS Details

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

CVSS Score

5.3

Solution

Updated BMC firmware versions that fix the issue are available from Lanner technical support

Acknowledgments

Andrea Palanca of Nozomi Networks

Threat Intelligence

Curated and maintained by Nozomi Networks Labs, the Threat Intelligence™ service provides threat and vulnerability updates to Guardian, making it easy for IT/OT professionals to stay on top of current OT and IoT risks.

Threat actors love finding new ways to attack critical infrastructure. We love finding new ways to detect their malware before damage occurs.

Andrea Carcano & MorenoCarullo
Co-founders, Nozomi Networks

Let's get started

Discover how easy it is to anticipate, diagnose and respond to cyber threats and process issues before they impact your operations.