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HIGH · 7.5

CVE-2011-4503

The UPnP IGD implementation in Broadcom Linux on the Sitecom WL-111 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN in...

Vulnerability Description

The UPnP IGD implementation in Broadcom Linux on the Sitecom WL-111 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.

CVSS Score

7.5

HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL

Affected Products

VendorProductVersions
BroadcomBroadcom LinuxAll versions
SitecomWl-111-

Related Weaknesses (CWE)

CWE-16

References

FAQ

What is CVE-2011-4503?

CVE-2011-4503 is a vulnerability with a CVSS score of 7.5 (HIGH). The UPnP IGD implementation in Broadcom Linux on the Sitecom WL-111 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN in...

How severe is CVE-2011-4503?

CVE-2011-4503 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2011-4503?

Check the references section above for vendor advisories and patch information. Affected products include: Broadcom Broadcom Linux, Sitecom Wl-111.