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    CVE-2023-31923

    Suprema BioStar 2 before 2022 Q4, v2.9.1 has Insecure Permissions. A vulnerability in the web application allows an authenticated attacker with "User Operator" privileges to create a highly privileged user account. The vulnerability is caused by missing server-side validation, which can be exploited to gain full administrator privileges on the system.

    Published:May 22, 2023
    Last Modified:Jan 21, 2025
    EPS:May 22, 2023
    EPSS Score:0.00065
    CVSS Score:8.8

    Affected Products

    Vendor
    Supremainc
    Product
    Biostar 2

    Exploits

    https://nobugescapes.com/blog/creating-a-new-user-with-admin-privilege/https://nobugescapes.com/blog/creating-a-new-user-with-admin-privilege/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-9509 (CVSS 8.7) — An unhandled exception in Suprema BioStar 2 (Server), versions 2.9.8, 2.9.10, and 2.9.11, that allows an unaut…
    CVE-2026-9508 (CVSS 10) — Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that…
    CVE-2025-41257 (CVSS 4.8) — Suprema’s BioStar 2 in version 2.9.11.6 allows users to set new password without providing the current one. Ex…
    CVE-2023-33365 (CVSS 7.5) — A path traversal vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated attacker…
    CVE-2023-33366 (CVSS 8.8) — A SQL injection vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows authenticated users to in…
    CVE-2023-33363 (CVSS 7.5) — An authentication bypass vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated …
    CVE-2023-33364 (CVSS 8.8) — An OS Command injection vulnerability exists in Suprema BioStar 2 before V2.9.1, which allows authenticated us…
    CVE-2023-27167 (CVSS 6.5) — Suprema BioStar 2 v2.8.16 was discovered to contain a SQL injection vulnerability via the values parameter at …
    CVE-2022-38351 (CVSS 8.8) — A vulnerability in Suprema BioStar (aka Bio Star) 2 v2.8.16 allows attackers to escalate privileges to System …
    CVE-2020-15050 (CVSS 7.5) — An issue was discovered in the Video Extension in Suprema BioStar 2 before 2.8.2. Remote attackers can read ar…

    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