Title: ABB Cylon Aspect 3.08.02 PHP Session Fixation Vulnerability
Advisory ID: ZSL-2025-5916
Type: Local/Remote
Impact: Security Bypass, Privilege Escalation, Cross-Site Scripting
Risk: (4/5)
Release Date: 09.02.2025

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.

Vendor

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

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

Vendor Status

[21.04.2024] Vulnerability discovered.
[22.04.2024] Vendor contacted.
[22.04.2024] Vendor responds.
[02.05.2024] Working with the vendor.
[03.12.2024] Vendor releases version 3.08.03 to address this issue.
[09.02.2025] Public security advisory released.

PoC

abb_aspect_sess1.html

Credits

Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>

References

[1] https://search.abb.com/library/Download.aspx?DocumentID=9AKK108469A7497&LanguageCode=en&DocumentPartId=&Action=Launch
[2] https://www.cve.org/CVERecord?id=CVE-2024-11317
[3] https://www.cisa.gov/news-events/ics-advisories/icsa-25-007-01
[4] https://exchange.xforce.ibmcloud.com/vulnerabilities/390814
[5] https://packetstorm.news/files/id/189097/
[6] https://www.securityweek.com/researcher-says-abb-building-control-products-affected-by-1000-vulnerabilities/

Changelog

[09.02.2025] - Initial release
[10.02.2025] - Added reference [5] and [6]

Contact

Zero Science Lab

Web: https://www.zeroscience.mk
e-mail: lab@zeroscience.mk