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1. EXECUTIVE SUMMARY

CVSS v3 5.3
ATTENTION: Low attack complexity
Vendor: General Electric
Equipment: MiCOM S1 Agile
Vulnerability: Uncontrolled Search Path Element

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to upload malicious files and achieve code execution.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of General Electric MiCOM S1 Agile is affected:

MiCOM S1 Agile: All versions

3.2 Vulnerability Overview

3.2.1 UNCONTROLLED SEARCH PATH ELEMENT CWE-427

General Electric MiCOM S1 Agile is vulnerable to an attacker achieving code execution by placing malicious DLL files in the directory of the application.

CVE-2023-0898 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:H).

3.3 BACKGROUND

CRITICAL INFRASTRUCTURE SECTORS: Multiple
COUNTRIES/AREAS DEPLOYED: Worldwide
COMPANY HEADQUARTERS LOCATION: United States

3.4 RESEARCHER

Sushant Mane, Anooja Joy & Dr. Faruk Kazi from CoE-CNDS Lab, VJTI, Mumbai, India reported this vulnerability to CISA.

4. MITIGATIONS

General Electric has released an update that resolves this vulnerability. No action is required by the user.

For more information, see General Electric’s Security Advisory.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

Do not click web links or open attachments in unsolicited email messages.
Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.
Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.

No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability is not exploitable remotely.

5. UPDATE HISTORY

November 07, 2023: Initial Publication