Backblaze prior 7.0.0.439 bztransmit Helper privileges management

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as critical was found in Backblaze. This vulnerability affects an unknown function of the component bztransmit Helper. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-269. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/27/2020. The advisory is shared for download at hackerone.com. This vulnerability was named CVE-2020-8290. The exploitation appears to be easy. The attack needs to approached within the local network. The successful exploitation requires a single authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 7.0.0.439 eliminates this vulnerability.

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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

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

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat: 🔍
Adversaries: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Backblaze 7.0.0.439

Timelineinfoedit

12/27/2020 Advisory disclosed
12/27/2020 +0 days VulDB entry created
12/27/2020 +0 days VulDB last update

Sourcesinfoedit

Advisory: hackerone.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-8290 (🔒)

Entryinfoedit

Created: 12/27/2020 10:11 AM
Changes: (3) vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
Complete: 🔍

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