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).
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (43.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Cisco Aironet Access Point Software — versions 8.2(121.12), 8.4\(1.82\), 8.2\(121.12\)
- Cisco Mobility Express 2800 Series And 3800 Access Points — versions Cisco Mobility Express 2800 Series and 3800 Series Access Points
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118… (Vendor Advisory)
- www.securityfocus.com/bid/95631 (VDB Entry, Third Party Advisory, vdb-entry)
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.