Medium severity6.5NVD Advisory· Published Oct 17, 2018· Updated Jun 17, 2026

CVE-2018-0420

Description

A vulnerability in the web-based interface of Cisco Wireless LAN Controller Software could allow an authenticated, remote attacker to view sensitive information. The issue is due to improper sanitization of user-supplied input in HTTP request parameters that describe filenames and pathnames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view system files on the targeted device, which may contain sensitive information.

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Affected products

Cisco Systems, Inc./Wireless Lan Controller Software2 versions
cpe:2.3:o:cisco:wireless_lan_controller_software:8.2\(151.0\):*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:wireless_lan_controller_software:8.2\(151.0\):*:*:*:*:*:*:*
- (no CPE)
Cisco Systems, Inc./Cisco 1500 Wireless Lan Controllercpe-rescue
Range: n/a

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/105671nvdBroken LinkThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1041926nvdBroken LinkThird Party AdvisoryVDB Entry
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-traversalnvdVendor Advisory

News mentions

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cvss	0.423
epss	0.004
exploit	0.000
kev	0.000
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ransomware	0.000