medium
4.8
CWE
79 20
Advisory Published
Updated

CVE-2021-1156: 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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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID of this vulnerability is CVE-2021-1156.

  • What is the severity of CVE-2021-1156?

    The severity of CVE-2021-1156 is medium with a CVSS score of 4.8.

  • What is cross-site scripting (XSS) attack?

    Cross-site scripting (XSS) attack is a type of security vulnerability where an attacker injects malicious scripts into a trusted website, which is then executed by the victims' browsers.

  • What routers are affected by CVE-2021-1156?

    Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected by CVE-2021-1156.

  • How can an attacker exploit CVE-2021-1156?

    An authenticated, remote attacker can exploit CVE-2021-1156 by conducting cross-site scripting (XSS) attacks against a user of the web-based management interface of the affected routers.

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