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    CVE-2020-15270

    Parse Server (npm package parse-server) broadcasts events to all clients without checking if the session token is valid. This allows clients with expired sessions to still receive subscription objects. It is not possible to create subscription objects with invalid session tokens. The issue is not patched.

    Published:Oct 22, 2020
    Last Modified:Nov 21, 2024
    EPS:Oct 22, 2020
    EPSS Score:0.00253
    CVSS Score:4.3

    Affected Products

    Vendor
    Parseplatform
    Product
    Parse-server

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-87806 (CVSS 9.1) — Parse Server versions <= 8.6.87 and >= 9.0.0 < 9.10.1-alpha.7 contain an authentication bypass in the built-in…
    CVE-2026-66009 (CVSS 6.3) — Parse Server versions >= 9.0.0 before 9.10.0-alpha.5 and >= 8.2.2 before 8.6.86 return GraphQL validation erro…
    CVE-2026-66008 (CVSS 6.3) — Parse Server versions >= 9.0.0 before 9.10.0-alpha.6 and >= 8.2.2 before 8.6.87 disclose Pointer and Relation …
    CVE-2026-64627 (CVSS 6.9) — Parse Server versions >= 9.0.0 before 9.10.0-alpha.4 and versions before 8.6.85 contain a schema disclosure vu…
    CVE-2026-61448 (CVSS 2.1) — Parse Server is affected by a stored cross-site scripting (XSS) vulnerability in versions >= 9.0.0, < 9.10.0-a…
    CVE-2021-47987 (CVSS 7.7) — Parse Server before 4.10.0 was affected by a supply chain incident in which incorrect version tags were pushed…
    CVE-2021-47986 (CVSS 7.7) — Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to t…
    CVE-2026-43930 (CVSS 2.1) — Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior …
    CVE-2026-39381 (CVSS 5.3) — Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior …
    CVE-2026-39321 (CVSS 6.3) — Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior …

    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