VDB-225222 · CVE-2023-20658 · ALPS07537393

MediaTek MT6895/MT6983/MT8188/MT8195/MT8673/MT8795T/MT8798 isp out-of-bounds write

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaTek MT6895, MT6983, MT8188, MT8195, MT8673, MT8795T and MT8798 and classified as critical. This affects an unknown function of the component isp. The manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2023-20658. The attack requires a local approach. No exploit exists. It is best practice to apply a patch to resolve this issue. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in MediaTek MT6895, MT6983, MT8188, MT8195, MT8673, MT8795T and MT8798 (Chip Software). It has been classified as critical. Affected is an unknown code of the component isp. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In isp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07537393; Issue ID: ALPS07180396.

The weakness was disclosed 04/07/2023 as ALPS07537393. The advisory is available at corp.mediatek.com. This vulnerability is traded as CVE-2023-20658 since 10/28/2022. The technical details are unknown and an exploit is not available.

Applying the patch ALPS07537393 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24837). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07537393

Timelineinfo

10/28/2022 🔍
04/07/2023 +161 days 🔍
04/07/2023 +0 days 🔍
08/29/2025 +875 days 🔍

Sourcesinfo

Advisory: ALPS07537393
Status: Confirmed

CVE: CVE-2023-20658 (🔍)
GCVE (CVE): GCVE-0-2023-20658
GCVE (VulDB): GCVE-100-225222
EUVD: 🔍

Entryinfo

Created: 04/07/2023 08:57 AM
Updated: 08/29/2025 11:39 AM
Changes: 04/07/2023 08:57 AM (41), 04/24/2023 09:37 AM (11), 08/29/2025 11:39 AM (16)
Complete: 🔍
Cache ID: 244:D51:40