Improper input validation in Cisco Wireless Lan Controller (Wlc)
CVE-2019-1805
A vulnerability in certain access control mechanisms for the Secure Shell (SSH) server implementation for Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to access a CLI instance on an affected device. The vulnerability is due to a lack of proper input- and validation-checking mechanisms for inbound SSH connections on an affected device. An attacker could exploit this vulnerability by attempting to establish an SSH connection to an affected controller. An exploit could allow the attacker to access an affected device's CLI to potentially cause further attacks. This vulnerability has been fixed in version 8.5(140.0).
EPSS: 0.005 (42.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Cisco Wireless Lan Controller (Wlc) — versions unspecified
- Cisco Wireless_lan_controller_software — versions 8.3\(141.0\)
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2019-1805?
- CVE-2019-1805 is a medium-severity vulnerability in Cisco Wireless Lan Controller (Wlc), classified under Improper Access Control. CVSS score: 4.3/10. Published 2019-04-18.
- How severe is CVE-2019-1805?
- Medium severity. CVSS v3 base score is 4.3 out of 10.