CVE-2020-26868

Name: CVE-2020-26868
Creator: NVD / NIST
Published: 2020-10-12T14:15:12.323+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.11%

Last modified Jun 17, 2026

CVE-2020-26868 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.11% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.11%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Pcvuesolutions	Pcvue	>= 8.10, < 12.0.17

References

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/Broken Link
https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03Third Party Advisory, US Government Resource
https://www.pcvuesolutions.com/securityVendor Advisory
https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1Permissions Required, Vendor Advisory
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/Broken Link
https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03Third Party Advisory, US Government Resource
https://www.pcvuesolutions.com/securityVendor Advisory
https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1Permissions Required, Vendor Advisory

Timeline

Published: Oct 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26868?

How severe is CVE-2020-26868?

CVE-2020-26868 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26868?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26868?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST