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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Small Business RV Series Router. It has been rated as critical. The impacted element is an unknown function of the component Web-based Management Interface. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2021-1473. The attack can be initiated remotely. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Small Business RV Series Router (Router Operating System) (version unknown). This affects an unknown function of the component Web-based Management Interface. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 04/08/2021 as cisco-sa-sb-rv-bypass-inject-Rbhgvfdx. The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1473. Technical details are unknown but a public exploit is available.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

11/13/2020 🔍
04/08/2021 +145 days 🔍
04/08/2021 +0 days 🔍
06/25/2024 +1174 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2021-1473 (🔍)
GCVE (CVE): GCVE-0-2021-1473
GCVE (VulDB): GCVE-100-172641
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/08/2021 11:03
Updated: 06/25/2024 05:02
Changes: 04/08/2021 11:03 (38), 04/11/2021 21:02 (5), 04/11/2021 21:04 (1), 06/25/2024 05:02 (23)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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