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ABB Cylon Aspect 3.08.02 Unauthenticated Configuration Disclosure

Critical
Advisory ID
ZSL-2024-5879
Release Date
11 December 2024
Vendor
Affected Version
NEXUS Series, MATRIX-2 Series, ASPECT-Enterprise, ASPECT-Studio, Firmware: <=3.08.02
Tested On
GNU/Linux 3.15.10 (armv7l), GNU/Linux 3.10.0 (x86_64), GNU/Linux 2.6.32 (x86_64), Intel(R) Atom(TM) Processor E3930 @ 1.30GHz, Intel(R) Xeon(R) Silver 4208 CPU @ 2.10GHz, PHP/7.3.11, PHP/5.6.30, PHP/5.4.16, PHP/4.4.8, PHP/5.3.3, AspectFT Automation Application Server, lighttpd/1.4.32, lighttpd/1.4.18, Apache/2.2.15 (CentOS), OpenJDK Runtime Environment (rhel-2.6.22.1.-x86_64), OpenJDK 64-Bit Server VM (build 24.261-b02, mixed mode), ErgoTech MIX Deployment Server 2.0.0
Summary

ASPECT is an award-winning scalable building energy management and control solution designed to allow users seamless access to their building data through standard building protocols including smart devices.

Description

The ABB Cylon Aspect BMS/BAS system suffers from an unauthenticated configuration disclosure vulnerability. This can be exploited to retrieve sensitive configuration data, including file paths, environment settings, and the location of system scripts. These exposed configuration files may allow an attacker to gain insights into the system's structure, facilitating further attacks or unauthorized access.

Proof of Concept
Disclosure Timeline
21.04.2024Vulnerability discovered.
22.04.2024Vendor contacted.
22.04.2024Vendor responds.
02.05.2024Working with the vendor.
03.12.2024Vendor releases version 3.08.03 to address this issue.
11.12.2024Coordinated public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
11.12.2024Initial release