M-System DL8-A/DL8-B/DL8-C/DL8-D/DL8-E up to 2.x Access Restriction access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in M-System DL8-A, DL8-B, DL8-C, DL8-D and DL8-E up to 2.x. The impacted element is an unknown function of the component Access Restriction Handler. Performing a manipulation results in access control. This vulnerability is reported as CVE-2021-20676. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in M-System DL8-A, DL8-B, DL8-C, DL8-D and DL8-E up to 2.x. This affects some unknown processing of the component Access Restriction Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 03/18/2021. It is possible to read the advisory at jvn.jp. This vulnerability is uniquely identified as CVE-2021-20676. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 3.0 eliminates this vulnerability. The upgrade is hosted for download at m-system.co.jp.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: 🔍

Upgrade: DL8-A/DL8-B/DL8-C/DL8-D/DL8-E 3.0

Timelineinfo

12/17/2020 🔍
03/18/2021 +91 days 🔍
03/18/2021 +0 days 🔍
04/02/2021 +15 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20676 (🔍)
GCVE (CVE): GCVE-0-2021-20676
GCVE (VulDB): GCVE-100-171387

Entryinfo

Created: 03/18/2021 07:45
Updated: 04/02/2021 12:57
Changes: 03/18/2021 07:45 (40), 04/02/2021 12:51 (5), 04/02/2021 12:57 (18)
Complete: 🔍
Cache ID: 216::103

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