MediaTek MT6879/MT6895/MT6983 adsp toctou

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in MediaTek MT6879, MT6895 and MT6983. This affects an unknown part of the component adsp. Such manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2023-20620. An attack has to be approached locally. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MediaTek MT6879, MT6895 and MT6983 (Chip Software) (the affected version unknown). Affected by this issue is an unknown part of the component adsp. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In adsp, there is a possible escalation of privilege due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07554558; Issue ID: ALPS07554558.

The weakness was shared 03/08/2023 as ALPS07554558. The advisory is available at corp.mediatek.com. This vulnerability is handled as CVE-2023-20620 since 10/28/2022. The technical details are unknown and an exploit is not available.

Applying the patch ALPS07554558 is able to eliminate this problem.

The vulnerability is also documented in the databases at EUVD (EUVD-2023-24799) and CERT Bund (WID-SEC-2023-0841). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Samsung Exynos
  • Samsung Android

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07554558

Timelineinfo

10/28/2022 🔍
03/08/2023 +131 days 🔍
03/08/2023 +0 days 🔍
09/03/2025 +910 days 🔍

Sourcesinfo

Advisory: ALPS07554558
Status: Confirmed

CVE: CVE-2023-20620 (🔍)
GCVE (CVE): GCVE-0-2023-20620
GCVE (VulDB): GCVE-100-222554
EUVD: 🔍
CERT Bund: WID-SEC-2023-0841 - Samsung Android und Samsung Exynos: Mehrere Schwachstellen

Entryinfo

Created: 03/08/2023 09:13
Updated: 09/03/2025 23:48
Changes: 03/08/2023 09:13 (39), 04/01/2023 15:44 (10), 08/27/2025 07:18 (16), 09/03/2025 23:48 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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