CVE-2020-26868

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.

Weakness

The product defines a public method that reads or modifies a private variable.

Affected Software

Potential Mitigations

References

• https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/
• https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03
• https://www.pcvuesolutions.com/security
• https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1
• https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/
• https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03
• https://www.pcvuesolutions.com/security
• https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1