Cisco Small Business RV320/Small Business RV325 Web-based Management Interface command delimiter

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Small Business RV320 and Small Business RV325. It has been rated as critical. Affected is an unknown function of the component Web-based Management Interface. Performing a manipulation results in command delimiter. This vulnerability is known as CVE-2023-20128. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco Small Business RV320 and Small Business RV325 (version unknown). It has been classified as critical. This affects an unknown function of the component Web-based Management Interface. The manipulation with an unknown input leads to a command delimiter vulnerability. CWE is classifying the issue as CWE-146. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as expression or command delimiters when they are sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an authenticated, remote attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. These vulnerabilities are due to insufficient validation of user-supplied input. An attacker could exploit these vulnerabilities by sending malicious input to an affected device. A successful exploit could allow the attacker to execute arbitrary commands as the root user on the underlying Linux operating system of the affected device. To exploit these vulnerabilities, an attacker would need to have valid Administrator credentials on the affected device. Cisco has not released software updates to address these vulnerabilities.

The weakness was published 04/06/2023 as cisco-sa-sb-rv32x-cmdinject-cKQsZpxL. It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2023-20128 since 10/27/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24307). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command delimiter
CWE: CWE-146 / CWE-140 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
04/06/2023 +161 days 🔍
04/06/2023 +0 days 🔍
08/24/2025 +871 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-sb-rv32x-cmdinject-cKQsZpxL
Status: Confirmed

CVE: CVE-2023-20128 (🔍)
GCVE (CVE): GCVE-0-2023-20128
GCVE (VulDB): GCVE-100-225015
EUVD: 🔍

Entryinfo

Created: 04/06/2023 08:26
Updated: 08/24/2025 08:14
Changes: 04/06/2023 08:26 (48), 04/22/2023 18:26 (10), 08/24/2025 08:14 (15)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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