CVE-2019-3940 File upload in WebAccess

Critical 9.8 Published Updated

Unauthenticated remote attackers can upload malicious files via RPC to execute arbitrary code on Advantech WebAccess systems.

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-2019-3940?

CVE-2019-3940 is a critical vulnerability in Advantech Webaccess, published on 9 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call. An unauthenticated, remote attacker can use this vulnerability to execute arbitrary code.

Weakness: CWE-434

Which versions are affected by CVE-2019-3940?

It affects 1 product.

Products include Advantech Webaccess.

How do I fix CVE-2019-3940?

No fix has been published for CVE-2019-3940 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-3940 being exploited?

There is no known exploitation of CVE-2019-3940 in the wild and no public exploit code.

All Advantech Webaccess vulnerabilities

Sources

Also known as GHSA-frgm-mc5h-57vv.

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