What is the severity of CVE-2025-20196?

CVE-2025-20196 is classified as a denial of service vulnerability.

How do I fix CVE-2025-20196?

To address CVE-2025-20196, update affected Cisco IOS and IOS XE Software to the latest patched version.

What systems are affected by CVE-2025-20196?

CVE-2025-20196 affects devices running Cisco IOS Software and Cisco IOS XE Software.

How can CVE-2025-20196 be exploited?

An attacker can exploit CVE-2025-20196 through unauthenticated remote access to disrupt the Cisco IOx application hosting environment.

What is the impact of CVE-2025-20196?

CVE-2025-20196 can lead to the Cisco IOx application hosting environment becoming unresponsive, resulting in a denial of service.

Vulnerability/
CVE-2025-20196

medium

5.3

CWE

307

7/5/2025

8/5/2025

CVE-2025-20196

First published: Wed May 07 2025(Updated: )

A vulnerability in the Cisco IOx application hosting environment of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the Cisco IOx application hosting environment to stop responding, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to cause the Cisco IOx application hosting environment to stop responding. The IOx process will need to be manually restarted to recover services.

Credit: psirt@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS
Cisco IOS XE

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Reference Links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-dos-95Fqnf7b

Frequently Asked Questions

What is the severity of CVE-2025-20196?
CVE-2025-20196 is classified as a denial of service vulnerability.
How do I fix CVE-2025-20196?
To address CVE-2025-20196, update affected Cisco IOS and IOS XE Software to the latest patched version.
What systems are affected by CVE-2025-20196?
CVE-2025-20196 affects devices running Cisco IOS Software and Cisco IOS XE Software.
How can CVE-2025-20196 be exploited?
An attacker can exploit CVE-2025-20196 through unauthenticated remote access to disrupt the Cisco IOx application hosting environment.
What is the impact of CVE-2025-20196?
CVE-2025-20196 can lead to the Cisco IOx application hosting environment becoming unresponsive, resulting in a denial of service.

collector/mitre-cve
source/MITRE
agent/weakness
agent/references
agent/type
agent/description
agent/first-publish-date
agent/guess-ai
agent/software-canonical-lookup
agent/softwarecombine
collector/nvd-api
source/NVD
agent/last-modified-date
agent/severity
agent/author
agent/source
agent/tags
agent/event
vendor/cisco
canonical/cisco ios
canonical/cisco ios xe

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