CVE-2011-4504 Missing authorization in n/a

High 7.5 Published Updated

Remote attackers can bypass authorization to establish arbitrary port mappings on ZyXEL P-330W routers via UPnP requests.

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-2011-4504?

CVE-2011-4504 is a high-severity missing authorization vulnerability in n/a, published on 22 Nov 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The UPnP IGD implementation in the Pseudo ICS UPnP software on the ZyXEL P-330W allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an "external forwarding" vulnerability.

Weakness: CWE-16

Which versions are affected by CVE-2011-4504?

It affects 2 products.

Products include Genmei Mori Pseudoics, Zyxel P-330w Router.

How do I fix CVE-2011-4504?

No fix has been published for CVE-2011-4504 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-2011-4504 being exploited?

There is no known exploitation of CVE-2011-4504 in the wild and no public exploit code.

Sources

Also known as GHSA-jh63-w8jj-x72f.

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