CVE-2011-4503

Severity Score

9.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La implementación de UPnP IGD en Broadcom Linux en el Sitecom WL-111, permite a atacantes remotos establecer mapas de puertos de su elección enviando una acción UPnP AddPortMapping en una petición SOAP al interfaz WAN, relacionado con una vulnerabilidad "external forwarding".

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-11-22 CVE Reserved
2011-11-22 CVE Published
2024-09-16 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-16: Configuration

CAPEC

References (2)

URL	Tag	Source
http://www.kb.cert.org/vuls/id/357851	Third Party Advisory
http://www.upnp-hacks.org/suspect.html	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Broadcom Search vendor "Broadcom"	Broadcom Linux Search vendor "Broadcom" for product "Broadcom Linux"	*	-	Affected	in	Sitecom Search vendor "Sitecom"	Wl-111 Search vendor "Sitecom" for product "Wl-111"	-	-	Affected