CVE-2016-8899 Deserialization in n/a

Critical 9.8 Published Updated

An object injection vulnerability in Exponent CMS allows attackers to execute arbitrary code via the change_cats controller.

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-2016-8899?

CVE-2016-8899 is a critical unsafe deserialization vulnerability in Exponentcms Exponent Cms, published on 23 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.

Weakness: CWE-74

Which versions are affected by CVE-2016-8899?

It affects 1 product.

Products include Exponentcms Exponent Cms.

How do I fix CVE-2016-8899?

No fix has been published for CVE-2016-8899 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2016-8899 being exploited?

There is no known exploitation of CVE-2016-8899 in the wild and no public exploit code.

All Exponentcms Exponent Cms vulnerabilities

Sources

Also known as GHSA-674r-wf6w-rpj5.

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