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CVE-2026-20113

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CVE-2026-20113

Published: Mar 25, 2026

Modified: Mar 27, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

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.

VendorProductVersions

Cisco

Cisco IOS XE Software

affected
16.6.1
affected
16.6.2
affected
16.6.3
affected
16.6.4
affected
16.6.5

+222 more versions

Weaknesses (CWE)

CWE-93

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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