Realtek RtsUpx USB Utility Driver up to 1.14.0.0 USB Device RtsUpx.sys 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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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Realtek RtsUpx USB Utility Driver up to 1.14.0.0. It has been classified as critical. This affects an unknown function in the library RtsUpx.sys of the component USB Device Handler. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2021-36922. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Realtek RtsUpx USB Utility Driver up to 1.14.0.0 (Hardware Driver Software). This issue affects an unknown code block in the library RtsUpx.sys of the component USB Device Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 11/02/2021. The advisory is shared at realtek.com. The identification of this vulnerability is CVE-2021-36922 since 07/19/2021. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

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

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/19/2021 🔍
11/02/2021 +106 days 🔍
11/02/2021 +0 days 🔍
11/05/2021 +3 days 🔍

Sourcesinfo

Advisory: realtek.com
Status: Confirmed

CVE: CVE-2021-36922 (🔍)
GCVE (CVE): GCVE-0-2021-36922
GCVE (VulDB): GCVE-100-185897

Entryinfo

Created: 11/02/2021 19:35
Updated: 11/05/2021 02:55
Changes: 11/02/2021 19:35 (39), 11/05/2021 02:55 (1)
Complete: 🔍
Cache ID: 216::103

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

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