CVE-2020-13550 Path traversal in Advantech

What is CVE-2020-13550?

CVE-2020-13550 is a high-severity path traversal vulnerability in Advantech, published on 17 Feb 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A local file inclusion vulnerability exists in the installation functionality of Advantech WebAccess/SCADA 9.0.1. A specially crafted application can lead to information disclosure. An attacker can send an authenticated HTTP request to trigger this vulnerability.

Weakness: CWE-22

Which versions are affected by CVE-2020-13550?

It affects 1 product.

Products include Advantech Webaccess\/Scada.

How do I fix CVE-2020-13550?

No fix has been published for CVE-2020-13550 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-13550 being exploited?

There is no known exploitation of CVE-2020-13550 in the wild and no public exploit code.

Other vulnerabilities in Advantech

• CVE-2023-1437 CVE-2023-1437 Critical 9.8
• CVE-2021-32943 Memory corruption in WebAccess/SCADA Critical 9.8
• CVE-2019-6519 Auth bypass in n/a Critical 9.8
• CVE-2019-6523 SQL injection in n/a Critical 9.8
• CVE-2021-22669 Privilege escalation in Advantech WebAccess/SCADA High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gfjc-7xx8-2p98.