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CVE-2022-40277

7.8 · HIGH
Published Sep 30, 2022 joplinapp CWE-20 EPSS 0.52% (42th pctl)

Overview

CVE-2022-40277 is a high-severity vulnerability affecting joplinapp joplin. It was published on September 30, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical Description

Joplin version 2.8.8 allows an external attacker to execute arbitrary commands remotely on any client that opens a link in a malicious markdown file, via Joplin. This is possible because the application does not properly validate the schema/protocol of existing links in the markdown file before passing them to the 'shell.openExternal' function.

Remediation

Check the references section for vendor advisories and patches from joplinapp. Update joplin to the latest patched version. 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.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2022-40277?

CVE-2022-40277 is a high-severity vulnerability affecting joplinapp joplin. It was published on September 30, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-40277?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-40277?

Check the references section for vendor advisories and patches from joplinapp. Update joplin to the latest patched version. 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-2022-40277?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-40277 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.