CVE-2020-26867

ARC Informatique PcVue Deserialization of Untrusted Data

Published Oct 12, 2020 CVSS 3.1 · 9.8 Critical EPSS 3.8% KEV · Not listed
Description
ARC Informatique PcVue prior to version 12.0.17 is vulnerable due to the deserialization of untrusted data, which may allow an attacker to remotely execute arbitrary code on the web and mobile back-end server.

Remediation

Vendor Solution

ARC Informatique recommends upgrading PcVue to v12.0.17. Contact PcVue Support to receive instructions on downloading and installing the latest software version.


Vendor Workaround

The following mitigations and workarounds have been identified by ARC Informatique to help reduce risk: Uninstall the web and mobile backend. Users not using the affected components should uninstall them. If the components are not required, do not install them. Change default configuration if using components prior to v12.0. If taking advantage of the web and mobile back features with a product version up to v11.2, change the following configuration item manually to prevent remote code execution In the file <PcVue installation directory>\Bin\PropertyServer.config>, change the following element and set it to “Low” (defaults to “Full”): <serverProviders> <formatter ref=”binary” typeFilterLevel=”Low” /> </serverProviders> This workaround cannot be applied to PcVue v12.0 Harden firewall configuration by ensuring that incoming connections on the corresponding port are authorized only if initiated by the IIS Web Server process. The listening port is configurable (default 8090) and may have been changed on the system using the Application Explorer.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-19403 ARC Informatique PcVue prior to version 12.0.17 is vulnerable due to the deserialization of untrusted data, which may allow an attacker to remotely execute arbitrary code on the web and mobile back-end server.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Kaspersky
Published
Updated
Sep 16, 2024, 10:16 PM
Reserved
Oct 7, 2020, 12:00 AM
Status
Modified
Published
Oct 12, 2020, 2:15 PM
Modified
Jul 9, 2026, 6:32 PM