CVE-2021-22785: Infoleak
A CWE-200: Information Exposure vulnerability exists that could cause sensitive information of files located in the web root directory to leak when an attacker sends a HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (All Versions)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2021-22785?
CVE-2021-22785 is an Information Exposure vulnerability that can lead to the leakage of sensitive information of files located in the web root directory.
Which products are affected by CVE-2021-22785?
Modicon M340 CPUs: BMXP34 (Versions prior to V3.40) are affected by CVE-2021-22785.
What is the severity rating of CVE-2021-22785?
CVE-2021-22785 has a severity rating of 7.5 (High).
How can an attacker exploit CVE-2021-22785?
An attacker can exploit CVE-2021-22785 by sending an HTTP request to the web server of the device.
Is there a fix available for CVE-2021-22785?
Yes, upgrading to Modicon M340 CPUs: BMXP34 V3.40 or later versions will fix CVE-2021-22785.