CVE-2022-20721: Cisco IOx Application Hosting Environment Vulnerabilities

Published Apr 15, 2022

Updated

Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory.

Affected Software

144 affected components

Cisco Ir510 Operating System

Cisco IOS XE

Cisco IOS XE=16.3.1

Cisco IOS XE=16.3.1a

Cisco IOS XE=16.3.2

Cisco IOS XE=16.3.3

Cisco IOS XE=16.3.4

Cisco IOS XE=16.3.5

Cisco IOS XE=16.3.5b

Cisco IOS XE=16.3.6

Cisco IOS XE=16.3.7

Cisco IOS XE=16.3.8

Cisco IOS XE=16.3.9

Cisco IOS XE=16.3.10

Cisco IOS XE=16.3.11

Cisco IOS XE=16.4.1

Cisco IOS XE=16.4.2

Cisco IOS XE=16.4.3

Cisco IOS XE=16.5.1

Cisco IOS XE=16.5.1a

Cisco IOS XE=16.5.1b

Cisco IOS XE=16.5.2

Cisco IOS XE=16.5.3

Cisco IOS XE=16.6.1

Cisco IOS XE=16.6.2

Cisco IOS XE=16.6.3

Cisco IOS XE=16.6.4

Cisco IOS XE=16.6.4a

Cisco IOS XE=16.6.4s

Cisco IOS XE=16.6.5

Cisco IOS XE=16.6.5a

Cisco IOS XE=16.6.5b

Cisco IOS XE=16.6.6

Cisco IOS XE=16.6.7

Cisco IOS XE=16.6.7a

Cisco IOS XE=16.6.8

Cisco IOS XE=16.6.9

Cisco IOS XE=16.6.10

Cisco IOS XE=16.7.1

Cisco IOS XE=16.7.1a

Cisco IOS XE=16.7.1b

Cisco IOS XE=16.7.2

Cisco IOS XE=16.7.3

Cisco IOS XE=16.7.4

Cisco IOS XE=16.8.1

Cisco IOS XE=16.8.1a

Cisco IOS XE=16.8.1b

Cisco IOS XE=16.8.1c

Cisco IOS XE=16.8.1d

Cisco IOS XE=16.8.1e

Cisco IOS XE=16.8.1s

Cisco IOS XE=16.8.2

Cisco IOS XE=16.8.3

Cisco IOS XE=16.9.1

Cisco IOS XE=16.9.1a

Cisco IOS XE=16.9.1b

Cisco IOS XE=16.9.1c

Cisco IOS XE=16.9.1d

Cisco IOS XE=16.9.1s

Cisco IOS XE=16.9.2

Cisco IOS XE=16.9.2a

Cisco IOS XE=16.9.2s

Cisco IOS XE=16.9.3

Cisco IOS XE=16.9.3a

Cisco IOS XE=16.9.3h

Cisco IOS XE=16.9.3s

Cisco IOS XE=16.9.4

Cisco IOS XE=16.9.4c

Cisco IOS XE=16.9.5

Cisco IOS XE=16.9.5f

Cisco IOS XE=16.9.6

Cisco IOS XE=16.9.7

Cisco IOS XE=16.9.8

Cisco IOS XE=16.10.1

Cisco IOS XE=16.10.1a

Cisco IOS XE=16.10.1b

Cisco IOS XE=16.10.1c

Cisco IOS XE=16.10.1d

Cisco IOS XE=16.10.1e

Cisco IOS XE=16.10.1f

Cisco IOS XE=16.10.1g

Cisco IOS XE=16.10.1s

Cisco IOS XE=16.10.2

Cisco IOS XE=16.10.3

Cisco IOS XE=16.11.1

Cisco IOS XE=16.11.1a

Cisco IOS XE=16.11.1b

Cisco IOS XE=16.11.1c

Cisco IOS XE=16.11.1s

Cisco IOS XE=16.11.2

Cisco IOS XE=16.12.1

Cisco IOS XE=16.12.1a

Cisco IOS XE=16.12.1c

Cisco IOS XE=16.12.1s

Cisco IOS XE=16.12.1t

Cisco IOS XE=16.12.1w

Cisco IOS XE=16.12.1x

Cisco IOS XE=16.12.1y

Cisco IOS XE=16.12.2

Cisco IOS XE=16.12.2a

Cisco IOS XE=16.12.2s

Cisco IOS XE=16.12.2t

Cisco IOS XE=16.12.3

Cisco IOS XE=16.12.3a

Cisco IOS XE=16.12.3s

Cisco IOS XE=16.12.4

Cisco IOS XE=16.12.4a

Cisco IOS XE=16.12.5

Cisco IOS XE=16.12.5a

Cisco IOS XE=17.1.1

Cisco IOS XE=17.1.1a

Cisco IOS XE=17.1.1s

Cisco IOS XE=17.1.1t

Cisco IOS XE=17.1.2

Cisco IOS XE=17.1.3

Cisco IOS XE=17.2.1

Cisco IOS XE=17.2.1a

Cisco IOS XE=17.2.1r

Cisco IOS XE=17.2.1v

Cisco IOS XE=17.2.2

Cisco IOS XE=17.2.3

Cisco IOS XE=17.3.1

Cisco IOS XE=17.3.1a

Cisco IOS XE=17.3.1w

Cisco IOS XE=17.3.1x

Cisco IOS XE=17.3.1z

Cisco IOS XE=17.3.2

Cisco IOS XE=17.3.2a

Cisco IOS XE=17.3.3

Cisco IOS XE=17.3.3a

Cisco IOS XE=17.3.4

Cisco IOS XE=17.3.4a

Cisco IOS XE=17.3.4b

Cisco IOS XE=17.3.4c

Cisco IOS XE=17.4.1

Cisco IOS XE=17.4.1a

Cisco IOS XE=17.4.1b

Cisco IOS XE=17.4.1c

Cisco IOS XE=17.4.2

Cisco IOS XE=17.4.2a

Cisco IOS XE=17.5.1

Cisco IOS XE=17.5.1a

Cisco IOS XE=17.6.1

Cisco IOS XE=17.6.1a

Event History

Apr 15, 2022

CVE Published

via MITRE·02:21 PM

Data Sourced

via MITRE·02:21 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What are the potential impacts of CVE-2022-20721?

CVE-2022-20721 may allow an attacker to inject arbitrary commands and execute code on the underlying host operating system.

What is the severity of CVE-2022-20721?

CVE-2022-20721 has been identified as a critical vulnerability due to its potential to compromise system integrity.

How can I mitigate CVE-2022-20721?

To mitigate CVE-2022-20721, it is recommended to upgrade to a patched version of Cisco IOS XE as specified in the vendor advisories.

Which versions of Cisco IOS XE are affected by CVE-2022-20721?

CVE-2022-20721 affects multiple versions of Cisco IOS XE including versions 16.3.1 to 17.6.1.

Is there a published fix for CVE-2022-20721?

Yes, Cisco has released updates and advisories providing fixes for CVE-2022-20721 that you can implement.