Is CVE-2026-20113 actively exploited?

No active exploitation of CVE-2026-20113 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-20113 be exploited remotely?

Yes. CVE-2026-20113 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-20113?

CVE-2026-20113 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-20113

CWE-93Published: March 25, 2026· Updated: Mar 26, 2026

5.3

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:4.2th

Official 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.

NVD Source

Technical Analysis

CVE-2026-20113 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.