MediumCVE-2023-24023

    Samsung Android: Mehrere Schwachstellen

    Published Sources: BSI

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    What is affected, what to do

    A flaw was found in Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4. This issue may allow certain man-in-the-middle attacks that force a short key length and might lead to discovery of the encryption key and live injection, aka BLUFFS.

    Update Microsoft Windows 10 1809 to version 10.0.17763.5122, Microsoft Windows 10 21H2 to version 10.0.19043.3693, Microsoft Windows 10 22h2 to version 10.0.19045.3693.

    Affected
    • Bluetooth Core Specification lte 4.2..5.4
    • Microsoft Windows 10 1809 lt *..10.0.17763.5122
    • Microsoft Windows 10 21H2 lt *..10.0.19043.3693
    • Microsoft Windows 10 22h2 lt *..10.0.19045.3693
    • Microsoft Windows 11 21h2 lt *..10.0.22000.2600
    • Microsoft Windows 11 22H2 lt *..10.0.22621.2715
    • Microsoft Windows 11 23H2 lt *..10.0.22631.2715
    • Microsoft Windows Server 2019 lt *..10.0.17763.5122
    • Microsoft Windows Server 2022 lt *..10.0.20348.2113
    • Microsoft Windows Server 2022 23h2 lt *..10.0.25398.531
    Fixed in
    • Microsoft Windows 10 1809 10.0.17763.5122
    • Microsoft Windows 10 21H2 10.0.19043.3693
    • Microsoft Windows 10 22h2 10.0.19045.3693
    • Microsoft Windows 11 21h2 10.0.22000.2600
    • Microsoft Windows 11 22H2 10.0.22621.2715
    • Microsoft Windows 11 23H2 10.0.22631.2715
    • Microsoft Windows Server 2019 10.0.17763.5122
    • Microsoft Windows Server 2022 10.0.20348.2113
    • Microsoft Windows Server 2022 23h2 10.0.25398.531

    Not sure whether and how you are affected? Ask a question about this vulnerability

    Metrics

    6.8

    XIEM Effective CVSS

    Highest available CVSS rating from NVD and vendor data.

    Source: NVD, CVSS v3

    6.8

    CVSS v3

    Severity Medium on the scale from 0 to 10.

    Source: BSI

    1.3 %

    EPSS score

    Moderate — model estimates 1-10% exploitation likelihood.

    Source: FIRST EPSS, percentile 70.4

    Show all metrics
    Severity
    Medium
    Priority (0–325)

    The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first?

    Read in glossary
    69.04 Methodology
    Exploit maturity

    An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack.

    Read in glossary
    no public PoC known
    XIEM Effective CVSS

    XIEM® is the tiered managed-security operating model from NEOSEC and a registered trademark of NEOSEC GmbH. It extends classic SIEM — the central collection, normalisation and correlation of security-relevant events — with endpoint forensics, network visibility and deception technology, and consolidates them into three building tiers: Sentry, Orchestrate and Command.

    Read in glossary
    6.8 Methodology
    CVSS v3

    CVSS is the globally established, open standard for assessing the technical severity of a vulnerability on a scale from 0 to 10. It describes how easily a flaw can be exploited and what damage it can cause — but not how likely its actual exploitation is. CVSS and the complementary EPSS deliberately answer different questions.

    Read in glossary
    6.8
    EPSS score

    The EPSS score is the absolute model output for an individual vulnerability: the estimated probability of real-world exploitation within the next 30 days, expressed as a value between 0 and 1 (i.e. 0 % to 100 %). A score of 0.42 means „the model estimates a 42 % chance of real-world exploitation within 30 days“.

    Read in glossary
    1.3 %
    Moderate — model estimates 1-10% exploitation likelihood.
    EPSS percentile

    The EPSS percentile is the relative position of a vulnerability within all EPSS-scored CVEs, expressed as a value between 0 and 1. A percentile of 0.90 means „this CVE has a higher EPSS score than 90 % of all other scored CVEs“. Unlike the EPSS score, it is not a probability — but a positioning within a ranking.

    Read in glossary
    70.4
    High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
    KEV status

    The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching.

    Read in glossary
    —
    Published
    CISA assessment (SSVC)
    Exploitation: none known · not automatable · Technical impact: total
    Source: CISA Vulnrichment, as of 1 August 2024

    Detection rules

    No NEOSEC detection rule is available for this vulnerability yet.

    Classification under NIS2 and CRA

    Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.

    NIS2

    NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management.

    Read in glossary
    Handle the vulnerability in regular vulnerability handling under Art. 21(2)(e) NIS2.
    CRA

    The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates.

    Read in glossary
    From 11.12.2027, Annex I Part II CRA requires manufacturers of affected products with digital elements to handle vulnerabilities without delay and provide security updates.
    ISO/IEC 27001

    ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security.

    Read in glossary
    Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.

    Description

    A flaw was found in Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4. This issue may allow certain man-in-the-middle attacks that force a short key length and might lead to discovery of the encryption key and live injection, aka BLUFFS.

    Source: BSI WID Portal

    Affected products

    The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

    Affected products
    Affected versionsFixed in
    Arm LtdArm 5th Gen GPU Architecture Kernel Driver
    • ≥ r44p0
    • ≥ r50p0
    • —
    • —
    Arm LtdBifrost GPU Kernel Driver
    • ≥ r44p0
    • ≥ r50p0
    • —
    • —
    Arm LtdValhall GPU Kernel Driver
    • ≥ r44p0
    • ≥ r50p0
    • —
    • —
    GoogleAndroid
    • 13
    • 14
    • 15
    • 16
    • —
    • —
    • —
    • —
    Qualcomm, Inc.Snapdragon
    • 315 5G IoT Modem
    • APQ8017
    • APQ8037
    • APQ8064AU
    • AQT1000
    • AR8031
    • AR8035
    • AR9380
    • CSR8811
    • CSRA6620
    • CSRA6640
    • CSRB31024
    • C-V2X 9150
    • FastConnect 6200
    • FastConnect 6700
    • FastConnect 6800
    • FastConnect 6900
    • FastConnect 7800
    • Flight RB5 5G Platform
    • FSM10055
    • FSM10056
    • FSM20055
    • FSM20056
    • Home Hub 100 Platform
    • Immersive Home 214 Platform
    • Immersive Home 216 Platform
    • Immersive Home 316 Platform
    • Immersive Home 318 Platform
    • Immersive Home 3210 Platform
    • Immersive Home 326 Platform
    • IPQ5010
    • IPQ5028
    • IPQ5300
    • IPQ5302
    • IPQ5312
    • IPQ5332
    • IPQ5424
    • IPQ6000
    • —
    • —
    • —
    • —
    • —
    • —
    • —
    • —
    • —
    • —
    • —
    • —
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    • —
    • —
    • —
    • —
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    • —
    • —
    • —
    • —
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    • —
    • —
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    • —
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    • —

    Vendors and products

    Affected operating systems

    Affected operating systems
    Mobilegoogleandroid14.0
    Mobilegoogleandroid15.0
    Mobilesamsungandroid15.0
    Mobilegoogleandroid16.0
    Mobilesamsungandroid13.0
    Mobilesamsungandroid14.0
    Mobilegoogleandroid13.0
    Otherqualcomm215_mobile_firmware—
    Otherqualcomm315_5g_iot_firmware—
    Otherqualcomm315_5g_iot_modem_firmware—
    Otherqualcommapq8017_firmware—
    Otherqualcommapq8037_firmware—
    Otherqualcommapq8064au_firmware—
    Otherqualcommaqt1000_firmware—
    Otherqualcommar8031_firmware—
    Otherqualcommar8035_firmware—
    Otherqualcommar9380_firmware—
    Otherqualcommc-v2x_9150_firmware—
    Otherqualcommcsr8811_firmware—
    Otherqualcommcsra6620_firmware—
    Otherqualcommcsra6640_firmware—
    Otherqualcommcsrb31024_firmware—
    Othersamsungexynos_1080_firmware—
    Othersamsungexynos_1280_firmware—

    References & sources

    Linked CVEs

    Linked CVEs
    CriticalCVE-2025-47202Samsung Exynos 1080 firmware: Out-of-bounds Write9.1—
    HighCVE-2025-32331Google Android: Protection Mechanism Failure7.8—
    MediumCVE-2025-32330Google Android: Initialization of a Resource with an Insecure Default5.7—
    HighCVE-2025-32326Google Android: Confused Deputy7.8—
    HighCVE-2025-32325Google Android: Heap-based Buffer Overflow7.8—
    HighCVE-2025-32321Google Android: Confused Deputy7.8—
    HighCVE-2025-27061Out-of-bounds Write in Video7.8—
    HighCVE-2025-27057Buffer Over-read in WLAN Host7.5—
    HighCVE-2025-27056Use After Free in DSP Service7.8—
    HighCVE-2025-27052Buffer Copy Without Checking Size of Input in Core Services7.8—
    HighCVE-2025-27043Buffer Copy Without Checking Size of Input in Video7.8—
    HighCVE-2025-27042Incorrect Calculation of Buffer Size in Video7.8—
    HighCVE-2025-26454Google Android: Confused Deputy7.8—
    HighCVE-2025-26433Google Android: User Interface (UI) Misrepresentation of Critical Information8.4—
    HighCVE-2025-22436Google Android: User Interface (UI) Misrepresentation of Critical Information8.4—
    CriticalCVE-2025-21450Improper Authentication in GPS_GNSS9.1—
    HighCVE-2025-21449Buffer Over-read in WLAN Embedded SW7.5—
    HighCVE-2025-21446Buffer Over-read in WLAN Firmware7.5—
    MediumCVE-2025-21433NULL Pointer Dereference in SPS-HLOS6.2—
    MediumCVE-2025-21004Samsung Mobile Devices: security vulnerability6.2—
    MediumCVE-2025-21003Samsung Mobile Devices: security vulnerability5.5—
    MediumCVE-2025-21002Samsung Mobile Devices: Improper Access Control6.2—
    MediumCVE-2025-21001Samsung Mobile Devices: Improper Access Control6.2—
    MediumCVE-2025-21000Samsung Mobile Devices: security vulnerability6.2—
    Show 9 more CVEs
    Linked CVEs
    MediumCVE-2025-20999Samsung Mobile Devices: Improper Access Control4.1—
    MediumCVE-2025-20998Samsung Mobile Devices: Improper Access Control5.5—
    MediumCVE-2025-20997Samsung Mobile Devices: security vulnerability6.2—
    MediumCVE-2025-20983Samsung Mobile Devices: Out-of-Bounds Write6.7—
    MediumCVE-2025-20982Samsung Mobile Devices: Out-of-Bounds Write6.7—
    HighCVE-2025-0819Mali GPU Kernel Driver allows access to already freed memory7.8—
    HighCVE-2024-53010Improper Access Control in Core7.8—
    HighCVE-2024-49714Google Android: Heap-based Buffer Overflow7.8—
    MediumCVE-2023-24023Bluetooth Core Specification: security vulnerability6.8—
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    Badge preview for CVE-2023-24023
    <a href="https://intel.neosec.eu/en/cve/CVE-2023-24023"><img src="https://intel.neosec.eu/badge/cve/CVE-2023-24023.svg?lang=en" alt="CVE-2023-24023 – NEOSEC Intel" height="20"></a>