CVE-2018-15374: Cisco IOS XE

Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device.

Affected products

• Cisco IOS XE: version 16.6.1 only

Published 2018-10-05. Last modified 2026-06-17.