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CVE-2020-15270

4.3 · MEDIUM

Parse Server (npm package parse-server) broadcasts events to all clients without checking if the session token is valid.

Published Oct 22, 2020CWE-672EPSS 1.17%

Overview

CVE-2020-15270 is a medium-severity vulnerability. It was published on October 22, 2020 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/parse-community/parse-server/commit/78b59fb26b1c36e3cdbd42ba9fec025003267f58GitHubgithub.com/parse-community/parse-server/security/advisories/GHSA-2xm2-xj2q-qgpjRefnpmjs.com/parse-serverGitHubgithub.com/parse-community/parse-server/commit/78b59fb26b1c36e3cdbd42ba9fec025003267f58GitHubgithub.com/parse-community/parse-server/security/advisories/GHSA-2xm2-xj2q-qgpjRefnpmjs.com/parse-server

How CyberStrike helps

Frequently asked questions

What is CVE-2020-15270?

CVE-2020-15270 is a medium-severity vulnerability. It was published on October 22, 2020 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2020-15270?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-15270?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-15270?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-15270 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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