Known Exploited Vulnerability: CVE-2023-20198

Cisco IOS XE Web UI Privilege Escalation Vulnerability

Catalog version: 2026.07.16 Date added: 2023-10-16 Due date: 2023-10-20 CISA catalog

Vendor: Cisco

Product: IOS XE Web UI

Required action: Verify that instances of Cisco IOS XE Web UI are in compliance with BOD 23-02 and apply mitigations per vendor instructions. For affected products (Cisco IOS XE Web UI exposed to the internet or to untrusted networks), follow vendor instructions to determine if a system may have been compromised and immediately report positive findings to CISA.

Known ransomware campaign use: Unknown

Notes: https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xe-dublin-17121/221128-software-fix-availability-for-cisco-ios.html https://nvd.nist.gov/vuln/detail/CVE-2023-20198

CWEs

cvelogic Threat Intelligence