2021-32517 | QSAN Storage Manager Download share_link access control


CVSS Meta Temp Score

CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.

Current Exploit Price (≈)

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CTI Interest Score

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5.1 $0-$5k 1.16

A vulnerability was found in QSAN Storage Manager (affected version not known). It has been rated as critical. Affected by this issue is the function share_link of the component Download Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-284. Impacted is confidentiality. CVE summarizes:

Improper access control vulnerability in share_link in QSAN Storage Manager allows remote attackers to download arbitrary files using particular parameter in download function.

The weakness was disclosed 07/08/2021. The advisory is available at twcert.org.tw. This vulnerability is handled as CVE-2021-32517 since 05/10/2021. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/10/2021). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Vendor

Name

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

AV AC Au C I A
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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation
CWE: CWE-284
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒


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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

05/10/2021 CVE assigned
07/08/2021 +59 days Advisory disclosed
07/08/2021 +0 days VulDB entry created
07/10/2021 +2 days VulDB last updateAdvisory: twcert.org.tw
Status: Not defined

CVE: CVE-2021-32517 (🔒)

Created: 07/08/2021 09:13
Updated: 07/10/2021 14:32
Changes: (1) source_cve_cna
Complete: 🔍

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