CVE-2023-20118: Cisco Small Business RV Series Routers Command Injection Vulnerability
First published: Wed Apr 05 2023(Updated: )
A vulnerability in the web-based management interface of Cisco Small Business Routers RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary commands on an affected device. This vulnerability is due to improper validation of user input within incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to gain root-level privileges and access unauthorized data. To exploit this vulnerability, an attacker would need to have valid administrative credentials on the affected device. Cisco has not and will not release software updates that address this vulnerability.
Credit: ykramarz@cisco.com psirt@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco RV016 Multi-WAN VPN Firmware | =1.5.1.13 | |
| Cisco RV016 Multi-WAN VPN Firmware | =4.2.3.08 | |
| Cisco RV016 Multi-WAN VPN | ||
| Cisco RV042G Firmware | =1.5.1.13 | |
| Cisco RV042G Firmware | =4.2.3.08 | |
| Cisco RV042 Dual WAN VPN Router | ||
| Cisco RV042G | =1.5.1.13 | |
| Cisco RV042G | =4.2.3.08 | |
| Cisco RV042G Firmware | ||
| Cisco RV082 Firmware | =1.5.1.13 | |
| Cisco RV082 Firmware | =4.2.3.08 | |
| Linksys RV082 | ||
| Cisco RV320 Firmware | =1.5.1.13 | |
| Cisco RV320 Firmware | =4.2.3.08 | |
| Cisco RV320 Firmware | ||
| Cisco RV325 firmware | =1.5.1.13 | |
| Cisco RV325 firmware | =4.2.3.08 | |
| Cisco RV325 Router | ||
| Cisco Small Business Router Firmware | ||
| All of | ||
| Any of | ||
| Cisco RV016 Multi-WAN VPN Firmware | =1.5.1.13 | |
| Cisco RV016 Multi-WAN VPN Firmware | =4.2.3.08 | |
| Cisco RV016 Multi-WAN VPN | ||
| All of | ||
| Any of | ||
| Cisco RV042G Firmware | =1.5.1.13 | |
| Cisco RV042G Firmware | =4.2.3.08 | |
| Cisco RV042 Dual WAN VPN Router | ||
| All of | ||
| Any of | ||
| Cisco RV042G | =1.5.1.13 | |
| Cisco RV042G | =4.2.3.08 | |
| Cisco RV042G Firmware | ||
| All of | ||
| Any of | ||
| Cisco RV082 Firmware | =1.5.1.13 | |
| Cisco RV082 Firmware | =4.2.3.08 | |
| Linksys RV082 | ||
| All of | ||
| Any of | ||
| Cisco RV320 Firmware | =1.5.1.13 | |
| Cisco RV320 Firmware | =4.2.3.08 | |
| Cisco RV320 Firmware | ||
| All of | ||
| Any of | ||
| Cisco RV325 firmware | =1.5.1.13 | |
| Cisco RV325 firmware | =4.2.3.08 | |
| Cisco RV325 Router | ||
| All of | ||
| Cisco RV016 Multi-WAN VPN Firmware | ||
| Cisco RV016 Multi-WAN VPN | ||
| All of | ||
| Cisco RV042G Firmware | ||
| Cisco RV042 Dual WAN VPN Router | ||
| All of | ||
| Cisco RV042G | ||
| Cisco RV042G Firmware | ||
| All of | ||
| Cisco RV082 Firmware | ||
| Linksys RV082 | ||
| All of | ||
| Cisco RV320 Firmware | ||
| Cisco RV320 Firmware | ||
| All of | ||
| Cisco RV325 firmware | ||
| Cisco RV325 Router |
Remedy
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sbr042-multi-vuln-ej76Pke5
- https://nvd.nist.gov/vuln/detail/CVE-2023-20118
- https://www.bleepingcomputer.com/news/security/cisa-tags-windows-and-cisco-vulnerabilities-as-actively-exploited/
- https://www.bleepingcomputer.com/news/security/cisco-warns-of-webex-for-broadworks-flaw-exposing-credentials/
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-20118.
What is the severity of CVE-2023-20118?
The severity of CVE-2023-20118 is high.
What is the affected software of CVE-2023-20118?
The affected software of CVE-2023-20118 includes Cisco Small Business Routers RV016, RV042, RV042G, RV082, RV320, and RV325 Routers.
How can an attacker exploit CVE-2023-20118?
An attacker can exploit CVE-2023-20118 by executing arbitrary commands on an affected device through the web-based management interface.
Is there a fix available for CVE-2023-20118?
Yes, Cisco has released a security advisory with fixes for CVE-2023-20118. Please refer to the Cisco Security Advisory for more information.
- agent/type
- agent/weakness
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- collector/cisa-known-exploited
- source/CISA
- exploited/true
- agent/software-canonical-lookup
- agent/title
- agent/remedy
- agent/softwarecombine
- agent/description
- collector/nvd-cve
- source/NVD
- agent/author
- collector/bleeping-computer
- source/BleepingComputer
- alias/CVE-2023-20118
- alias/CVE-2023-20025
- alias/CVE-2018-8639
- alias/CVE-2024-21413
- agent/references
- agent/source
- agent/severity
- agent/event
- agent/trending
- agent/tags
- collector/nvd-api
- agent/last-modified-date
- agent/news-ai
- vendor/cisco
- canonical/cisco rv016 multi-wan vpn firmware
- version/cisco rv016 multi-wan vpn firmware/1.5.1.13
- version/cisco rv016 multi-wan vpn firmware/4.2.3.08
- canonical/cisco rv016 multi-wan vpn
- canonical/cisco rv042g firmware
- version/cisco rv042g firmware/1.5.1.13
- version/cisco rv042g firmware/4.2.3.08
- canonical/cisco rv042 dual wan vpn router
- canonical/cisco rv042g
- version/cisco rv042g/1.5.1.13
- version/cisco rv042g/4.2.3.08
- canonical/cisco rv082 firmware
- version/cisco rv082 firmware/1.5.1.13
- version/cisco rv082 firmware/4.2.3.08
- canonical/linksys rv082
- canonical/cisco rv320 firmware
- version/cisco rv320 firmware/1.5.1.13
- version/cisco rv320 firmware/4.2.3.08
- canonical/cisco rv325 firmware
- version/cisco rv325 firmware/1.5.1.13
- version/cisco rv325 firmware/4.2.3.08
- canonical/cisco rv325 router
- canonical/cisco small business router firmware