CWE
22 23
Advisory Published
Updated
Advisory Published

CVE-2020-12026: Advantech WebAccess/SCADA ViewSrv IOCTL 0x0000277d Directory Traversal Remote Code Execution Vulnerability

First published: Fri May 08 2020(Updated: )

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Advantech WebAccess/SCADA
Advantech WebAccess<=8.4.4
Advantech WebAccess=9.0.0

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Frequently Asked Questions

  • What is CVE-2020-12026?

    CVE-2020-12026 is a vulnerability in Advantech WebAccess/SCADA that allows remote attackers to execute arbitrary code.

  • How severe is CVE-2020-12026?

    CVE-2020-12026 has a severity score of 9.8, which is considered critical.

  • What software is affected by CVE-2020-12026?

    Advantech WebAccess/SCADA versions 8.4.4 and 9.0.0 are affected by CVE-2020-12026.

  • How can CVE-2020-12026 be exploited?

    CVE-2020-12026 can be exploited by remote attackers without authentication.

  • Are there any references for CVE-2020-12026?

    Yes, you can find more information about CVE-2020-12026 at the following references:\n1. [US-CERT Advisory ICSA-20-128-36](https://www.us-cert.gov/ics/advisories/icsa-20-128-36)\n2. [Zero Day Initiative Advisory ZDI-20-626](https://www.zerodayinitiative.com/advisories/ZDI-20-626/)\n3. [US-CERT Advisory ICSA-20-128-01](https://www.us-cert.gov/ics/advisories/icsa-20-128-01)

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