Exploited
critical
10
CWE
295 121
Advisory Published
Advisory Published
Updated

CVE-2022-20703: (Pwn2Own) Cisco RV340 Firmware Update Improper Certificate Validation Remote Code Execution Vulnerability

First published: Thu Feb 10 2022(Updated: )

A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Rv340 Firmware<=1.0.03.24
Cisco RV340
Cisco Rv340w Firmware<=1.0.03.24
Cisco Rv340w
Cisco Rv345 Firmware<=1.0.03.24
Cisco Rv345
Cisco Rv345p Firmware<=1.0.03.24
Cisco Rv345p
Cisco Rv160 Firmware<=1.0.01.05
Cisco Rv160
Cisco Rv160w Firmware<=1.0.01.05
Cisco Rv160w
Cisco Rv260 Firmware<=1.0.01.05
Cisco Rv260
Cisco Rv260p Firmware<=1.0.01.05
Cisco Rv260p
Cisco Rv260w Firmware<=1.0.01.05
Cisco Rv260w
All of
Cisco Rv340 Firmware<=1.0.03.24
Cisco RV340
All of
Cisco Rv340w Firmware<=1.0.03.24
Cisco Rv340w
All of
Cisco Rv345 Firmware<=1.0.03.24
Cisco Rv345
All of
Cisco Rv345p Firmware<=1.0.03.24
Cisco Rv345p
All of
Cisco Rv160 Firmware<=1.0.01.05
Cisco Rv160
All of
Cisco Rv160w Firmware<=1.0.01.05
Cisco Rv160w
All of
Cisco Rv260 Firmware<=1.0.01.05
Cisco Rv260
All of
Cisco Rv260p Firmware<=1.0.01.05
Cisco Rv260p
All of
Cisco Rv260w Firmware<=1.0.01.05
Cisco Rv260w
Cisco RV340
Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers
All of
<=1.0.03.24
All of
<=1.0.03.24
All of
<=1.0.03.24
All of
<=1.0.03.24
All of
<=1.0.01.05
All of
<=1.0.01.05
All of
<=1.0.01.05
All of
<=1.0.01.05
All of
<=1.0.01.05

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID for this issue is CVE-2022-20703.

  • What is the severity of CVE-2022-20703?

    The severity of CVE-2022-20703 is critical with a CVSS score of 8.8.

  • Which Cisco products are affected by CVE-2022-20703?

    The Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers are affected by CVE-2022-20703.

  • Is user interaction required to exploit CVE-2022-20703?

    Yes, user interaction is required to exploit CVE-2022-20703.

  • Are there any available references for more information about CVE-2022-20703?

    Yes, you can find more information about CVE-2022-20703 at the following links: [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D), [ZDI Advisory 22-408](https://www.zerodayinitiative.com/advisories/ZDI-22-408/), [ZDI Advisory 22-413](https://www.zerodayinitiative.com/advisories/ZDI-22-413/)

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