Improper input validation in Cisco iOS Xe
CVE-2017-12222
A vulnerability in the wireless controller manager of Cisco IOS XE could allow an unauthenticated, adjacent attacker to cause a restart of the switch and result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by submitting a crafted association request. An exploit could allow the attacker to cause the switch to restart. This vulnerability affects Cisco Catalyst 3650 and 3850 switches running IOS XE Software versions 16.1 through 16.3.3, and acting as wireless LAN controllers (WLC). Cisco Bug IDs: CSCvd45069.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (53.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001
Affected products
- Cisco iOS Xe — versions 16.1.1, 16.1.2, 16.1.3
- Cisco iOS Xe — versions Cisco IOS XE
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927… (Vendor Advisory)
- www.securitytracker.com/id/1039458 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/101035 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-12222?
- CVE-2017-12222 is a medium-severity vulnerability in Cisco iOS Xe, classified under CWE-399. CVSS score: 6.5/10. Published 2017-09-29.
- How severe is CVE-2017-12222?
- Medium severity. CVSS v3 base score is 6.5 out of 10.