Vulnerability identifier: #VU49326
Vulnerability risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
BMX P34x
Hardware solutions /
Firmware
BMX NOE 0100 (H)
Hardware solutions /
Firmware
BMX NOE 0110 (H)
Hardware solutions /
Firmware
BMX NOC 0401
Hardware solutions /
Firmware
BMX NOR 0200H
Hardware solutions /
Firmware
TSXP574634
Hardware solutions /
Firmware
TSXP575634
Hardware solutions /
Firmware
TSXP576634
Hardware solutions /
Firmware
TSXETY4103
Hardware solutions /
Firmware
TSXETY5103
Hardware solutions /
Firmware
140CPU65xxxxx
Hardware solutions /
Firmware
140NOE771x1
Hardware solutions /
Firmware
140NOC78x00
Hardware solutions /
Firmware
140NOC77101
Hardware solutions /
Firmware
Vendor: Schneider Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when uploading a specially crafted file on the controller over FTP. A remote authenticated attacker can trigger out-of-bounds read error and read contents of memory on the system.
This vulnerability affects the following Modicon products:
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
BMX P34x: All versions
BMX NOE 0100 (H): All versions
BMX NOE 0110 (H): All versions
BMX NOC 0401: All versions
BMX NOR 0200H: All versions
TSXP574634: All versions
TSXP575634: All versions
TSXP576634: All versions
TSXETY4103: All versions
TSXETY5103: All versions
140CPU65xxxxx: All versions
140NOE771x1: All versions
140NOC78x00: All versions
140NOC77101: All versions
External links
http://www.se.com/ww/en/download/document/SEVD-2020-315-01/
http://fortiguard.com/zeroday/FG-VD-20-105
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.