CVE-2026-20113
Medium · 5.3CVSS
5.3
EPSS
0.3%
Published
Mar 25, 2026
CISA due date
—
The record
A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to perform a carriage return line feed (CRLF) injection attack against a user. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to arbitrarily inject log entries, manipulate the structure of log files, or obscure legitimate log events.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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