CVE-2011-4501 Missing authorization in n/a
Remote attackers can bypass authorization to create arbitrary port mappings on vulnerable routers via UPnP requests, exposing internal services.
- 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-2011-4501?
CVE-2011-4501 is a critical 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 Edimax EdiLinux on the Edimax BR-6104K with firmware before 3.25, Edimax 6114Wg, Canyon-Tech CN-WF512 with firmware 1.83, Canyon-Tech CN-WF514 with firmware 2.08, Sitecom WL-153 with firmware before 1.39, and Sweex LB000021 with firmware 3.15 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-2011-4501?
It affects 12 products.
Products include Canyon-Tech Cn-Wf512, Canyon-Tech Cn-Wf512 Router Firmware, Canyon-Tech Cn-Wf514, Canyon-Tech Cn-Wf514 Router Firmware, Edimax 6114wg, Edimax 6114wg Router Firmware and 6 more.
How do I fix CVE-2011-4501?
No fix has been published for CVE-2011-4501 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-2011-4501 being exploited?
There is no known exploitation of CVE-2011-4501 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w7jg-8v8v-4jpc.