MediaTek MT7990 WLAN Service command injection

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in MediaTek MT6890, MT7603, MT7612, MT7613, MT7615, MT7622, MT7626, MT7629, MT7915, MT7916, MT7981, MT7986 and MT7990. The affected element is an unknown function of the component WLAN Service. Such manipulation leads to command injection. This vulnerability is referenced as CVE-2023-20820. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6890, MT7603, MT7612, MT7613, MT7615, MT7622, MT7626, MT7629, MT7915, MT7916, MT7981, MT7986 and MT7990 (Chip Software) and classified as critical. Affected by this issue is an unknown part of the component WLAN Service. 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. CVE summarizes:

In wlan service, there is a possible command injection due to improper input validation. This could lead to remote code execution with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00244189; Issue ID: WCNCR00244189.

The weakness was published 09/04/2023. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2023-20820 since 10/28/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

Applying a patch is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
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: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/28/2022 🔍
09/04/2023 +311 days 🔍
09/04/2023 +0 days 🔍
09/29/2023 +25 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2023-20820 (🔍)
GCVE (CVE): GCVE-0-2023-20820
GCVE (VulDB): GCVE-100-238640

Entryinfo

Created: 09/04/2023 06:58
Updated: 09/29/2023 22:00
Changes: 09/04/2023 06:58 (39), 09/29/2023 22:00 (11)
Complete: 🔍
Cache ID: 216::103

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