What is CVE-2016-9221?

CVE-2016-9221 is a medium-severity vulnerability in Cisco Aironet Access Point Software, classified under CWE-399. CVSS score: 4.3/10. Published 2017-01-26.

How severe is CVE-2016-9221?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Cisco Aironet Access Point Software

CVE-2016-9221

A Denial of Service Vulnerability in 802.11 ingress connection authentication handling for the Cisco Mobility Express 2800 and 3800 Access Points (APs) could allow an unauthenticated, adjacent attacker to cause authentication to fail. Affected Products: This vulnerability affects Cisco Mobility Express 2800 Series and 3800 Series Access Points when configured in local mode in 40 MHz. More Information: CSCvb33575. Known Affected Releases: 8.2(121.12) 8.4(1.82). Known Fixed Releases: 8.2(131.2) 8.2(131.3) 8.2(131.4) 8.2(141.0) 8.3(104.53) 8.3(104.54) 8.4(1.80) 8.4(1.85).

EPSS: 0.005 (42.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Cisco Aironet_access_point_software — versions 8.2\(121.12\), 8.4\(1.82\)
N/a Cisco Mobility Express 2800 Series And 3800 Access Points — versions Cisco Mobility Express 2800 Series and 3800 Series Access Points

Weakness classification (CWE)

CWE-399

References

psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-9221?: CVE-2016-9221 is a medium-severity vulnerability in Cisco Aironet Access Point Software, classified under CWE-399. CVSS score: 4.3/10. Published 2017-01-26.
How severe is CVE-2016-9221?: Medium severity. CVSS v3 base score is 4.3 out of 10.