Improper input validation in Cisco Wireless Lan Controller (Wlc)
CVE-2019-1796
A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (50.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% 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: 0.006 · change: 0.000
Affected products
- Cisco Wireless Lan Controller (Wlc) — versions unspecified, unspecified, unspecified
- Cisco Wireless Lan Controller
- Cisco Wireless Lan Controller Software
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417… (vendor-advisory, Vendor Advisory)
- www.securityfocus.com/bid/108008 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2019-1796?
- CVE-2019-1796 is a medium-severity vulnerability in Cisco Wireless Lan Controller (Wlc), classified under CWE-399. CVSS score: 6.5/10. Published 2019-04-18.
- How severe is CVE-2019-1796?
- Medium severity. CVSS v3 base score is 6.5 out of 10.