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    CVE-2021-43102

    A File Upload vulnerability exists in bbs 5.3 is via HelpManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.

    Published:Mar 28, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 28, 2022
    EPSS Score:0.0042
    CVSS Score:7.2

    Affected Products

    Vendor
    Diyhi
    Product
    Bbs

    Exploits

    https://github.com/diyhi/bbs/issues/51https://github.com/diyhi/bbs/issues/51

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2025-9461 (CVSS 2.1) — A weakness has been identified in diyhi bbs up to 6.8. The impacted element is an unknown function of the file…
    CVE-2025-6762 (CVSS 2.1) — A vulnerability classified as critical has been found in diyhi bbs up to 6.8. This affects the function getUrl…
    CVE-2025-6453 (CVSS 2.1) — A vulnerability classified as critical has been found in diyhi bbs 6.8. Affected is the function Add of the fi…
    CVE-2021-43103 (CVSS 7.2) — A File Upload vulnerability exists in bbs 5.3 is via ForumManageAction.java in a GetType function, which lets …
    CVE-2021-43101 (CVSS 7.2) — A File Upload vulnerability exists in bbs 5.3 is via MembershipCardManageAction.java in a GetType function, wh…
    CVE-2021-43100 (CVSS 7.2) — A File Upload vulnerability exists in bbs 5.3 is via TopicManageAction.java in a GetType function, which lets …
    CVE-2021-43099 (CVSS 4.9) — An Archive Extraction (AKA "Zip Slip) vulnerability exists in bbs 5.3 in the UpgradeNow function in UpgradeMan…
    CVE-2021-43098 (CVSS 7.2) — A File Upload vulnerability exists in bbs v5.3 via QuestionManageAction.java in a getType function.…
    CVE-2021-43097 (CVSS 7.2) — A Server-side Template Injection (SSTI) vulnerability exists in bbs 5.3 in TemplateManageAction.javawhich coul…

    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