Cisco IOS XE Software Vulnerabilities

Improper validation of malformed SCP requests in Cisco IOS XE Software allows authenticated local attackers to trigger unexpected device reloads and cause service disruption. An attacker with low privileges can exploit this vulnerability by sending a crafted SSH command to the SCP server component. No patch is currently available for this denial of service vulnerability.

A CRLF injection vulnerability exists in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software that allows unauthenticated remote attackers to inject arbitrary log entries and manipulate log file structure. The vulnerability stems from insufficient input validation in the Cisco IOx management interface and affects a broad range of Cisco IOS XE Software versions from 16.6.1 through 17.18.1x. A successful exploit enables attackers to obscure legitimate log events, inject malicious log entries, or corrupt log file integrity without requiring authentication, making it particularly dangerous in environments where log analysis is relied upon for security monitoring and compliance.