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CVE-2023-28912— Cleartext Phonebook Information

Quick assessment

Affected
Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment system MIB3 OI MQB
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Volkswagen MIB3 Infotainment是德国大众汽车（Volkswagen）公司的一款汽车上的信息娱乐系统。 Volkswagen MIB3 Infotainment存在安全漏洞，该漏洞源于以明文存储同步电话通讯录，可能导致攻击者获取车主联系数据。

CVSS 5.7 · Medium EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-28912

Vulnerability Information
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Vulnerability Title
Cleartext Phonebook Information
Source: CVE Program / CVE List V5
Vulnerability Description
The MIB3 unit stores the synchronized phone contact book in clear-text, allowing an attacker with either code execution privilege on the system or physical access to the system to obtain vehicle owner's contact data. The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM part number 3V0035820. The list of affected MIB3 OEM part numbers is provided in the referenced resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
Volkswagen MIB3 Infotainment 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Volkswagen MIB3 Infotainment是德国大众汽车（Volkswagen）公司的一款汽车上的信息娱乐系统。 Volkswagen MIB3 Infotainment存在安全漏洞，该漏洞源于以明文存储同步电话通讯录，可能导致攻击者获取车主联系数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment system MIB3 OI MQB 0 ~ 0304 -

II. Public POCs for CVE-2023-28912

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III. Intelligence Information for CVE-2023-28912

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Vendor Advisories for CVE-2023-28912 (1)

News Coverage for CVE-2023-28912 (1)

Same Patch Batch · Preh Car Connect GmbH (JOYNEXT GmbH) · 2025-06-28 · 12 CVEs total

CVE-2023-28910 8.0 HIGH Disabled Abortion Flag
CVE-2023-28909 8.0 HIGH Integer Overflow Leading to MTU Bypass
CVE-2023-28905 8.0 HIGH Heap buffer overflow in picserver
CVE-2023-28906 7.8 HIGH Command injection in networking service
CVE-2023-28907 6.7 MEDIUM A lack of access restrictions on internal memory regions
CVE-2023-28911 6.5 MEDIUM Arbitrary Channel Disconnection Resulting in Denial of Service
CVE-2023-29113 6.3 MEDIUM A lack of access control in custom IPC mechanism
CVE-2023-28908 5.4 MEDIUM Integer Overflow in Non-Fragmented Data Reception
CVE-2023-28904 5.2 MEDIUM Bypass of secure boot process
CVE-2023-28902 3.3 LOW Denial of Service via integer underflow in picserver
CVE-2023-28903 3.3 LOW Volkswagen MIB3 Infotainment 安全漏洞

IV. Related Vulnerabilities

Same product: Volkswagen MIB3 infotainment system MIB3 OI MQB
Same vendor: Preh Car Connect GmbH (JOYNEXT GmbH)
Same weakness: CWE-312

V. Comments for CVE-2023-28912

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