CWE
79 20
Advisory Published
Updated

CVE-2021-1155: Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Stored Cross-Site Scripting Vulnerabilities

First published: Wed Jan 13 2021(Updated: )

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface. The vulnerabilities are due to insufficient input validation by the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the affected device.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Rv110w Firmware=1.2.2.8
Cisco Rv110w Firmware=1.3.1.7
Cisco RV110W
Cisco Rv130 Vpn Router Firmware=1.2.2.8
Cisco Rv130 Vpn Router Firmware=1.3.1.7
Cisco Rv130 Vpn Router
Cisco Rv130w Firmware=1.2.2.8
Cisco Rv130w Firmware=1.3.1.7
Cisco RV130W
Cisco Rv215w Wireless-n Vpn Router Firmware=1.2.2.8
Cisco Rv215w Wireless-n Vpn Router Firmware=1.3.1.7
Cisco RV215W Wireless-N VPN Router
Cisco Application Extension Platform=1.0.3.55

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Frequently Asked Questions

  • What is CVE-2021-1155?

    CVE-2021-1155 is a vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers that allows an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks.

  • How severe is CVE-2021-1155?

    CVE-2021-1155 has a severity rating of 4.8, which is considered medium.

  • How can an attacker exploit CVE-2021-1155?

    An attacker can exploit CVE-2021-1155 by conducting cross-site scripting (XSS) attacks through the web-based management interface of the affected Cisco routers.

  • Which Cisco routers are affected by CVE-2021-1155?

    CVE-2021-1155 affects Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers.

  • How can I mitigate the vulnerability in CVE-2021-1155?

    To mitigate CVE-2021-1155, Cisco recommends updating to the latest firmware available for the affected routers.

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