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    CVE-2020-1820

    There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Service (COPS) protocol of some Huawei products. The specific decoding function may occur out-of-bounds read when processes an incoming data packet. Successful exploit of these vulnerabilities may disrupt service on the affected device. (Vulnerability ID: HWPSIRT-2018-12275,HWPSIRT-2018-12276,HWPSIRT-2018-12277,HWPSIRT-2018-12278,HWPSIRT-2018-12279,HWPSIRT-2018-12280 and HWPSIRT-2018-12289) The seven vulnerabilities have been assigned seven Common Vulnerabilities and Exposures (CVE) IDs: CVE-2020-1818, CVE-2020-1819, CVE-2020-1820, CVE-2020-1821, CVE-2020-1822, CVE-2020-1823 and CVE-2020-1824.

    Published:Dec 28, 2024
    Last Modified:Jan 13, 2025
    EPS:Dec 28, 2024
    EPSS Score:0.00067
    CVSS Score:3.7

    Affected Products

    Vendor
    Huawei
    Product
    Ips Module
    Vendor
    Huawei
    Product
    Ips Module Firmware
    Vendor
    Huawei
    Product
    Ngfw Module
    Vendor
    Huawei
    Product
    Ngfw Module Firmware
    Vendor
    Huawei
    Product
    Nip6300
    Vendor
    Huawei
    Product
    Nip6300 Firmware
    Vendor
    Huawei
    Product
    Nip6600
    Vendor
    Huawei
    Product
    Nip6600 Firmware
    Vendor
    Huawei
    Product
    Nip6800
    Vendor
    Huawei
    Product
    Nip6800 Firmware
    Vendor
    Huawei
    Product
    Secospace Usg6300
    Vendor
    Huawei
    Product
    Secospace Usg6300 Firmware
    Vendor
    Huawei
    Product
    Secospace Usg6500
    Vendor
    Huawei
    Product
    Secospace Usg6500 Firmware
    Vendor
    Huawei
    Product
    Secospace Usg6600
    Vendor
    Huawei
    Product
    Secospace Usg6600 Firmware
    Vendor
    Huawei
    Product
    Usg6000v
    Vendor
    Huawei
    Product
    Usg6000v Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2020-1824 (CVSS 3.7) — There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Se…
    CVE-2020-1823 (CVSS 3.7) — There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Se…
    CVE-2020-1822 (CVSS 3.7) — There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Se…
    CVE-2020-1821 (CVSS 3.7) — There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Se…
    CVE-2020-1819 (CVSS 3.7) — There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Se…
    CVE-2020-1818 (CVSS 3.7) — There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Se…
    CVE-2021-22356 (CVSS 5.9) — There is a weak secure algorithm vulnerability in Huawei products. A weak secure algorithm is used in a module…
    CVE-2021-37129 (CVSS 7.5) — There is an out of bounds write vulnerability in some Huawei products. The vulnerability is caused by a functi…
    CVE-2021-22341 (CVSS 4.9) — There is a memory leak vulnerability in Huawei products. A resource management weakness exists in a module. At…
    CVE-2021-22342 (CVSS 4.9) — There is an information leak vulnerability in Huawei products. A module does not deal with specific input suff…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High