Cisco Small Business RV Series Router Web-based Management Interface memory corruption

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CVSS Meta Temp Score
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CTI Interest Score
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7.0$5k-$25k0.68

A vulnerability, which was classified as critical, has been found in Cisco Small Business RV Series Router (Router Operating System) (affected version not known). Affected by this issue is some unknown processing of the component Web-based Management Interface. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

The weakness was published 04/08/2021 as cisco-sa-sb-rv-bypass-inject-Rbhgvfdx. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2021-1472 since 11/13/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/11/2021).

Upgrading eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

11/13/2020 CVE assigned
04/08/2021 +145 days Advisory disclosed
04/08/2021 +0 days VulDB entry created
04/11/2021 +3 days VulDB last update

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: cisco-sa-sb-rv-bypass-inject-Rbhgvfdx
Status: Confirmed

CVE: CVE-2021-1472 (🔒)

Entryinfoedit

Created: 04/08/2021 10:48 AM
Updated: 04/11/2021 08:58 PM
Changes: (1) source_cve_cna
Complete: 🔍

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