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ABB Cylon Aspect 3.08.03 Hard-coded Secrets

Critical
Advisory ID
ZSL-2025-5896
Release Date
06 January 2025
Vendor
Affected Version
NEXUS Series, MATRIX-2 Series, ASPECT-Enterprise, ASPECT-Studio, Firmware: <=3.08.03
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 controller contains multiple instances of hard-coded credentials, including usernames, passwords, and encryption keys embedded in various java classes. This practice poses significant security risks, allowing attackers to gain unauthorized access and compromise the system's integrity.

Proof of Concept
Disclosure Timeline
21.04.2024Vulnerability discovered.
22.04.2024Vendor contacted.
22.04.2024Vendor responds.
02.05.2024Working with the vendor.
06.01.2025Public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
06.01.2025Initial release
09.01.2025Added reference [1]
07.02.2025Added reference [2] and [3]
21.02.2025Added reference [4]
09.05.2025Added reference [5]