CVE-2021-22656 Path traversal in Advantech iView

What is CVE-2021-22656?

CVE-2021-22656 is a high-severity path traversal vulnerability in Advantech iView, published on 11 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may allow an attacker to read sensitive files.

Weakness: CWE-22

Which versions are affected by CVE-2021-22656?

It affects 1 product.

Products include Advantech Iview.

How do I fix CVE-2021-22656?

No fix has been published for CVE-2021-22656 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-2021-22656 being exploited?

There is no known exploitation of CVE-2021-22656 in the wild and no public exploit code.

Other vulnerabilities in Advantech iView

• CVE-2022-2143 Advantech iView Critical 9.8
• CVE-2021-32930 Missing authorization in iView Critical 9.8
• CVE-2021-22652 Missing authorization in Advantech iView Critical 9.8
• CVE-2021-22658 SQL injection in Advantech iView Critical 9.8
• CVE-2020-16245 Path traversal in Advantech iView Critical 9.8

Sources

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

Also known as GHSA-qrfm-956x-83hh.