Vulnerability identifier: #VU15987
Vulnerability risk: Low
CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-345
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Modicon M221
Hardware solutions /
Firmware
Vendor: Schneider Electric
Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to improper implementation of the network configuration module in UMAS protocol. A remote attacker can modify configuration parameters and intercept a target PLC’s network traffic.
Mitigation
Schneider Electric recommends the following mitigations to reduce the risk:
Vulnerable software versions
Modicon M221: All versions
External links
https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD...
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.