CVE-2026-20113 MEDIUM

CVE-2026-20113

Vendor Cisco
Product Cisco IOS XE Software
Weakness CWE-93 · CRLF injection
Published March 25, 2026
Last update March 27, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 25, 2026 CVE published
March 27, 2026 Record updated

Related vulnerabilities

04Related CVE