CVE-2018-0196

A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to write arbitrary files to the operating system of an affected device. The vulnerability is due to insufficient input validation of HTTP requests that are sent to the web UI of the affected software. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web UI of the affected software. A successful exploit could allow the attacker to write arbitrary files to the operating system of an affected device. Cisco Bug IDs: CSCvb22645.

• CWE-20

• http://www.securityfocus.com/bid/103570Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-wfwVendor Advisory
• http://www.securityfocus.com/bid/103570Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-wfwVendor Advisory

Published

Mar 28, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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