Vulnerability identifier: #VU48363
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-754
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
PLC Simulator for EcoStruxure Control Expert
Other software /
Other software solutions
PLC Simulator for Unity Pro
Other software /
Other software solutions
EcoStruxure Control Expert
Server applications /
SCADA systems
Vendor: Schneider Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request over Modbus and cause denial of service condition.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
PLC Simulator for EcoStruxure Control Expert: All versions
PLC Simulator for Unity Pro: All versions
EcoStruxure Control Expert: All versions
External links
http://ics-cert.us-cert.gov/advisories/icsa-20-315-03
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.