CVE-2011-5053
The Wi-Fi Protected Setup (WPS) protocol, when the "external registrar" authentication method is used, does not properly inform clients about failed PIN authentication, which makes it easier for remote attackers to discover the PIN value, and…
Does this matter?
Lower severity and a low EPSS score (3.27%). Track it; it rarely justifies an emergency change on its own.
Description
The Wi-Fi Protected Setup (WPS) protocol, when the "external registrar" authentication method is used, does not properly inform clients about failed PIN authentication, which makes it easier for remote attackers to discover the PIN value, and consequently discover the Wi-Fi network password or reconfigure an access point, by reading EAP-NACK messages.
- CVSS 2.0
- 5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
- EPSS
- 3.27% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- wi-fi/wifi protected setup protocol
- Source
- cret@cert.org
References
- http://code.google.com/p/reaver-wps/
- http://sviehb.files.wordpress.com/2011/12/viehboeck_wps.pdf
- http://sviehb.wordpress.com/2011/12/27/wi-fi-protected-setup-pin-brute-force-vulnerability/
- http://tools.cisco.com/security/center/content/CiscoSecurityResponse/cisco-sr-20120111-wps
- http://www.kb.cert.org/vuls/id/723755US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-006A.htmlUS Government Resource
- http://code.google.com/p/reaver-wps/
- http://sviehb.files.wordpress.com/2011/12/viehboeck_wps.pdf
- http://sviehb.wordpress.com/2011/12/27/wi-fi-protected-setup-pin-brute-force-vulnerability/
- http://tools.cisco.com/security/center/content/CiscoSecurityResponse/cisco-sr-20120111-wps
- http://www.kb.cert.org/vuls/id/723755US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-006A.htmlUS Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.