MediaTek CPU command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

A vulnerability was found in MediaTek CPU (Chip Software) (the affected version unknown) and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Config Manager, there is a possible command injection due to improper input validation. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210009; Issue ID: OSBNB00123234.

The weakness was disclosed 02/07/2023. It is possible to read the advisory at corp.mediatek.com. The identification of this vulnerability is CVE-2021-31573 since 04/22/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/22/2021 🔍
02/07/2023 +656 days 🔍
02/07/2023 +0 days 🔍
03/05/2023 +26 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2021-31573 (🔍)

Entryinfo

Created: 02/07/2023 07:58 AM
Updated: 03/05/2023 05:46 PM
Changes: 02/07/2023 07:58 AM (38), 03/05/2023 05:46 PM (11)
Complete: 🔍
Cache ID: 18:B4D:40

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