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CVE-2020-15270

Good to know:

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Date: October 22, 2020

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.

Language: JS

Severity Score

Related Resources (6)

https://github.com/parse-community/parse-server
https://nvd.nist.gov/vuln/detail/CVE-2020-15270
https://github.com/parse-community/parse-server/security/advisories/GHSA-2xm2-xj2q-qgpj
https://npmjs.com/parse-server
https://github.com/parse-community/parse-server/commit/78b59fb26b1c36e3cdbd42ba9fec025003267f58
https://www.mend.io/vulnerability-database/CVE-2020-15270

Severity Score

Weakness Type (CWE)

Operation on a Resource after Expiration or Release

CWE-672

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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