#VU53412 Command Injection in Cisco Systems, Inc products - CVE-2021-1547

Vulnerability identifier: #VU53412

Vulnerability risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1547

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco WAP125 Wireless-AC Dual Band Desktop Access Point with PoE
Hardware solutions / Routers & switches, VoIP, GSM, etc
WAP131 Wireless-N Dual Radio Access Point with PoE
Hardware solutions / Routers & switches, VoIP, GSM, etc
Cisco WAP150 Wireless-AC/N Dual Radio Access Point with PoE
Hardware solutions / Routers & switches, VoIP, GSM, etc
WAP351 Wireless-N Dual Radio Access Point with 5-Port Switch
Hardware solutions / Routers & switches, VoIP, GSM, etc
Cisco WAP361 Wireless-AC/N Dual Radio Wall Plate Access Point with PoE
Hardware solutions / Routers & switches, VoIP, GSM, etc
WAP581 Wireless-AC Dual Radio Wave 2 Access Point with 2.5GbE LAN
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote user to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation in the web-based management interface. A remote administrator can send a specially crafted HTTP request and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco WAP125 Wireless-AC Dual Band Desktop Access Point with PoE: 1.0.3.1

WAP131 Wireless-N Dual Radio Access Point with PoE: 1.0.2.17

Cisco WAP150 Wireless-AC/N Dual Radio Access Point with PoE: 1.1.2.4

WAP351 Wireless-N Dual Radio Access Point with 5-Port Switch: 1.0.2.17

Cisco WAP361 Wireless-AC/N Dual Radio Wall Plate Access Point with PoE: 1.1.2.4

WAP581 Wireless-AC Dual Radio Wave 2 Access Point with 2.5GbE LAN: 1.0.3.1

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-inject-Mp9FSdG

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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.