Vulnerability Details : 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 interface, related to an "external forwarding" vulnerability.
Exploit prediction scoring system (EPSS) score for CVE-2011-4503
Probability of exploitation activity in the next 30 days: 0.37%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 72 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4503
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2011-4503
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4503
-
http://www.kb.cert.org/vuls/id/357851
VU#357851 - UPnP requests accepted over router WAN interfacesUS Government Resource
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http://www.upnp-hacks.org/suspect.html
UPnP Hacks: Possibly vulnerable devices
Products affected by CVE-2011-4503
- cpe:2.3:h:sitecom:wl-111:-:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:broadcom_linux:*:*:*:*:*:*:*:*