CVE-2023-20198 - Cisco IOS XE Web UI Privilege Escalation Vulnerability

Vulnerability Name

Cisco IOS XE Web UI Privilege Escalation Vulnerability

Description

Cisco IOS XE Web UI contains a privilege escalation vulnerability in the web user interface that could allow a remote, unauthenticated attacker to create an account with privilege level 15 access. The attacker can then use that account to gain control of the affected device.

Known To Be Used in Ransomware Campaigns?

Unknown

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.

Additional 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

Related News Articles

China-linked Salt Typhoon Exploits Critical Cisco Vulnerability to Target Canadian TelecomJune 24, 2025

Canada says Salt Typhoon hacked telecom firm via Cisco flawJune 23, 2025

Two Actively Exploited Security Flaws in Adobe and Oracle Products Flagged by CISAFebruary 25, 2025

Cisco Confirms Salt Typhoon Exploited CVE-2018-0171 to Target U.S. Telecom NetworksFebruary 21, 2025

Salt Typhoon Exploits Cisco Devices in Telco InfrastructureFebruary 14, 2025