CVE-2020-15270

Improper session expiration in Parse Server

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory npmjs.com
Affected: parse-community parse-server
Published at:
Updated at:

References

Link Tags
https://github.com/parse-community/parse-server/security/advisories/GHSA-2xm2-xj2q-qgpj third party advisory
https://github.com/parse-community/parse-server/commit/78b59fb26b1c36e3cdbd42ba9fec025003267f58 third party advisory patch
https://npmjs.com/parse-server third party advisory product

Frequently Asked Questions

What is the severity of CVE-2020-15270?
CVE-2020-15270 has been scored as a medium severity vulnerability.
How to fix CVE-2020-15270?
To fix CVE-2020-15270, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15270 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-15270 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15270?
CVE-2020-15270 affects parse-community parse-server.
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