What is CVE-2022-20895?

CVE-2022-20895 is a vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers that could allow an authenticated, remote attacker to execute arbitrary code or cause a denial of service.

How severe is CVE-2022-20895?

CVE-2022-20895 has a severity score of 7.2, which is considered high.

Which Cisco routers are affected by CVE-2022-20895?

CVE-2022-20895 affects Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers.

How can an attacker exploit CVE-2022-20895?

An attacker with authenticated access to the web-based management interface can exploit CVE-2022-20895 to execute arbitrary code or cause a denial of service.

Is there a fix available for CVE-2022-20895?

Yes, Cisco has released firmware updates to address the vulnerability. Please refer to the Cisco Security Advisory for more information.

Vulnerability/
CVE-2022-20895

high

7.2

CWE

120

21/7/2022

1/11/2024

CVE-2022-20895: Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerabilities

First published: Thu Jul 21 2022(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 execute arbitrary code on an affected device or cause the device to restart unexpectedly, resulting in a denial of service (DoS) condition. These vulnerabilities are due to insufficient validation of user fields within incoming HTTP packets. An attacker could exploit these vulnerabilities by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on an affected device with root-level privileges or to cause the device to restart unexpectedly, resulting in a DoS condition. To exploit these vulnerabilities, an attacker would need to have valid Administrator credentials on the affected device. Cisco has not released software updates that address these vulnerabilities.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Rv215w Firmware	=1.3.1.7
Cisco RV215W
Cisco Rv130w Firmware	=1.3.1.7
Cisco RV130W
Cisco Rv130 Firmware	=1.3.1.7
Cisco Rv130
Cisco Rv110w Firmware	=1.3.1.7
Cisco RV110W

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-rce-overflow-ygHByAK

Frequently Asked Questions

What is CVE-2022-20895?
CVE-2022-20895 is a vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers that could allow an authenticated, remote attacker to execute arbitrary code or cause a denial of service.
How severe is CVE-2022-20895?
CVE-2022-20895 has a severity score of 7.2, which is considered high.
Which Cisco routers are affected by CVE-2022-20895?
CVE-2022-20895 affects Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers.
How can an attacker exploit CVE-2022-20895?
An attacker with authenticated access to the web-based management interface can exploit CVE-2022-20895 to execute arbitrary code or cause a denial of service.
Is there a fix available for CVE-2022-20895?
Yes, Cisco has released firmware updates to address the vulnerability. Please refer to the Cisco Security Advisory for more information.

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vendor/cisco
canonical/cisco rv215w firmware
version/cisco rv215w firmware/1.3.1.7
canonical/cisco rv215w
canonical/cisco rv130w firmware
version/cisco rv130w firmware/1.3.1.7
canonical/cisco rv130w
canonical/cisco rv130 firmware
version/cisco rv130 firmware/1.3.1.7
canonical/cisco rv130
canonical/cisco rv110w firmware
version/cisco rv110w firmware/1.3.1.7
canonical/cisco rv110w