CVE-2025-20196

MEDIUM

Cisco IOx - DoS

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.3
EPSS 0.0026
EPSS Percentile 49.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-307
Status published
Products (50)
cisco/807_industrial_integrated_services_router_firmware < 15.9\(3\)m11
cisco/809_industrial_integrated_services_router_firmware < 15.9\(3\)m11
cisco/829_industrial_integrated_services_router_firmware < 15.9\(3\)m11
cisco/cgr1000_firmware < 15.9\(3\)m12
cisco/ic3000_industrial_compute_gateway_firmware < 1.5.2
cisco/ios_xe 16.1.1
cisco/ios_xe 16.1.2
cisco/ios_xe 16.1.3
cisco/ios_xe 16.2.1
cisco/ios_xe 16.2.2
... and 40 more
Published May 07, 2025
Tracked Since Feb 18, 2026