#VU62339 Improper Neutralization of Special Elements in Output Used by a Downstream Component in Cisco Systems, Inc products - CVE-2022-20693

Vulnerability identifier: #VU62339

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-20693

CWE-ID: CWE-74

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco IOS XE
Operating systems & Components / Operating system
Catalyst 3850 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Catalyst 9200 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Catalyst 9300 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Catalyst 9400 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Catalyst 9500 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Catalyst 9500H Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Catalyst 9600 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote user to perform an injection attack.

The vulnerability exists due to insufficient validation of user-supplied input in the web UI feature. A remote administrator can inject commands to the underlying operating system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco IOS XE: Bengaluru-17.6.1, 16.12.1

Catalyst 3850 Series Switches: All versions

Catalyst 9200 Series Switches: All versions

Catalyst 9300 Series Switches: All versions

Catalyst 9400 Series Switches: All versions

Catalyst 9500 Series Switches: All versions

Catalyst 9500H Series Switches: All versions

Catalyst 9600 Series Switches: All versions

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webuiapi-inj-Nyrq92Od

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.