Risk | Low |
Patch available | NO |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2018-7798 |
CWE-ID | CWE-345 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Modicon M221 Hardware solutions / Firmware |
Vendor | Schneider Electric |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU15987
Risk: Low
CVSSv3.1: 7.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L/E:U/RL:W/RC:C]
CVE-ID: CVE-2018-7798
CWE-ID:
CWE-345 - Insufficient Verification of Data Authenticity
Exploit availability: No
DescriptionThe 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.
MitigationSchneider Electric recommends the following mitigations to reduce the risk:
Modicon M221: All versions
External linkshttp://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD...
Q & A
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.