CVE-2023-20076: Cisco IOx Application Hosting Environment Command Injection Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-12 · updated 2026-06-17
Weakness: CWE-233

Description

A vulnerability in the Cisco IOx application hosting environment could allow an authenticated, remote attacker to execute arbitrary commands as root on the underlying host operating system. This vulnerability is due to incomplete sanitization of parameters that are passed in for activation of an application. An attacker could exploit this vulnerability by deploying and activating an application in the Cisco IOx application hosting environment with a crafted activation payload file. A successful exploit could allow the attacker to execute arbitrary commands as root on the underlying host operating system.

Affected products

Cisco 807 Industrial Integrated Services Router Firmware: before 15.9\(3\); 15.9(3)m, 15.9(3)m1, 15.9(3)m2, 15.9(3)m2a, 15.9(3)m3, 15.9(3)m4 (+4) — fixed in 15.9\(3\)
Cisco 809 Industrial Integrated Services Router Firmware: before 15.9\(3\); 15.9(3)m, 15.9(3)m1, 15.9(3)m2, 15.9(3)m2a, 15.9(3)m3, 15.9(3)m4 (+4) — fixed in 15.9\(3\)
Cisco 829 Industrial Integrated Services Router Firmware: before 15.9\(3\); 15.9(3)m, 15.9(3)m1, 15.9(3)m2, 15.9(3)m2a, 15.9(3)m3, 15.9(3)m4 (+4) — fixed in 15.9\(3\)
Cisco Cgr1000 Firmware: before 1.16.0.1 — fixed in 1.16.0.1
Cisco Cgr1240 Firmware: before 1.16.0.1 — fixed in 1.16.0.1
Cisco Ic3000 Industrial Compute Gateway: before 1.4.2 — fixed in 1.4.2
Cisco IOS XE: before 17.6.5; from 17.9.0 before 17.9.2; 17.10.0 — fixed in 17.6.5, 17.9.2
Cisco IOx: all versions
Cisco Ir510 Wpan Firmware: before 1.10.0.1 — fixed in 1.10.0.1

How to fix

Upgrade to a fixed version: Cisco 807 Industrial Integrated Services Router Firmware 15.9\(3\); Cisco 809 Industrial Integrated Services Router Firmware 15.9\(3\); Cisco 829 Industrial Integrated Services Router Firmware 15.9\(3\); Cisco Cgr1000 Firmware 1.16.0.1; Cisco Cgr1240 Firmware 1.16.0.1; Cisco Ic3000 Industrial Compute Gateway 1.4.2; Cisco IOS XE 17.6.5, 17.9.2; Cisco Ir510 Wpan Firmware 1.10.0.1. Check the vendor advisory for mitigations.

References

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