CVE-2019-6554 Missing authorization in WebAccess/SCADA

High 7.5 Published Updated

An improper access control flaw in Advantech WebAccess/SCADA allows attackers to cause a denial-of-service condition.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-6554?

CVE-2019-6554 is a high-severity missing authorization vulnerability in Advantech Webaccess, published on 5 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Advantech WebAccess/SCADA, Versions 8.3.5 and prior. An improper access control vulnerability may allow an attacker to cause a denial-of-service condition.

Weakness: CWE-284

Which versions are affected by CVE-2019-6554?

It affects 1 product.

Products include Advantech Webaccess.

How do I fix CVE-2019-6554?

No fix has been published for CVE-2019-6554 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-6554 being exploited?

There is no known exploitation of CVE-2019-6554 in the wild and no public exploit code.

All Advantech Webaccess vulnerabilities

Sources

Also known as GHSA-4pmv-cr3m-c6qv.

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