ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an unauthorized user to modify information used to validate messages sent by legitimate web clients. This issue also affects third-party systems based on the Web Services Toolkit.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26868
Reference (s):
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/
- https://www.pcvuesolutions.com/security
- https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1
- https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03
- https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03