CVE-2020-15270

Medium

Description

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductParseplatform Parse-server
PublishedOct 22, 2020
First seenOct 22, 2020
Weakness typeCWE-672CWE-672

How to fix

Update
  • parse-server4.4.0 or later

Affected products

ProductAffected versionsFixed in
parseplatform parse-serverv ≤ 4.3.0—
parse-servernpmv < 4.4.04.4.0

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