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ABB Cylon Aspect 3.08.02 PHP Session Fixation Vulnerability

High

Advisory ID

ZSL-2025-5916

Release Date

09 February 2025

Vendor

ABB Ltd. - https://www.global.abb

Affected Version

NEXUS Series, MATRIX-2 Series, ASPECT-Enterprise, ASPECT-Studio, Firmware: <=3.08.02

CVE

CVE-2024-11317

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 is vulnerable to session fixation, allowing an attacker to set a predefined PHPSESSID value. An attacker can leverage an unauthenticated reflected XSS vulnerability in jsonProxy.php to inject a crafted request, forcing the victim to adopt a fixated session.

Proof of Concept

abb_aspect_sess1.htmlTXT

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.

09.02.2025Public security advisory released.

Credits

Vulnerability discovered by Gjoko Krstic

References