CVE-2023-20198

Vulnerability details

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.

Added to CISA KEV: 2023-10-16

Ransomware campaign use: Unknown

CISA due date: 2023-10-20

Defensive guidance from CISA

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.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.