CVE-2026-20113 — CRLF Injection in Cisco IOS XE Software

CWE-93 — CRLF Injection4 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.0%
top 93.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco IOS XE Software
Timeline
PublishedMar 25

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, manipula…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages1 packages

▶CVEListV5cisco/cisco_ios_xe_software227 versions+226

🔴Vulnerability Details

2
CVEList
CVE-2026-20113: A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticate↗2026-03-25
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GHSA
GHSA-c9q8-fg52-4crv: A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticate↗2026-03-25
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📋Vendor Advisories

1
Cisco
Cisco IOx Application Hosting Environment Carriage Return Line Feed Injection Vulnerability↗2026-03-25
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CVE-2026-20113 — CRLF Injection in Cisco | cvebase