Cisco RV340/RV340W/RV345/RV345P Internal Messaging Service write-what-where condition

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco RV340, RV340W, RV345 and RV345P and classified as critical. The impacted element is an unknown function of the component Internal Messaging Service. Performing a manipulation results in write-what-where condition. This vulnerability is known as CVE-2021-1520. Attacking locally is a requirement. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Cisco RV340, RV340W, RV345 and RV345P (Router Operating System) (the affected version unknown). This affects an unknown part of the component Internal Messaging Service. The manipulation with an unknown input leads to a write-what-where condition vulnerability. CWE is classifying the issue as CWE-123. Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 05/06/2021 as cisco-sa-rv-34x-privesc-GLN8ZAQE. It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1520. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
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: Write-what-where condition
CWE: CWE-123 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

11/13/2020 🔍
05/06/2021 +173 days 🔍
05/06/2021 +0 days 🔍
05/09/2021 +3 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-rv-34x-privesc-GLN8ZAQE
Status: Confirmed

CVE: CVE-2021-1520 (🔍)
GCVE (CVE): GCVE-0-2021-1520
GCVE (VulDB): GCVE-100-174555

Entryinfo

Created: 05/06/2021 17:41
Updated: 05/09/2021 09:49
Changes: 05/06/2021 17:41 (37), 05/09/2021 09:48 (5), 05/09/2021 09:49 (1)
Complete: 🔍
Cache ID: 216::103

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