CVE-2023-39955
3.5 · LOWOverview
CVE-2023-39955 is a low-severity vulnerability affecting nextcloud notes. It was published on August 10, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Notes is a note-taking app for Nextcloud, an open-source cloud platform. Starting in version 4.4.0 and prior to version 4.8.0, when creating a note file with HTML, the content is rendered in the preview instead of the file being offered to download. Nextcloud Notes app version 4.8.0 contains a patch for the issue. No known workarounds are available.
Remediation
Check the references section for vendor advisories and patches from nextcloud. Update notes 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 |
|---|---|---|---|
| nextcloud | notes | >= 4.4.0, < 4.8.0 | Affected |
References
Frequently Asked Questions
What is CVE-2023-39955?
CVE-2023-39955 is a low-severity vulnerability affecting nextcloud notes. It was published on August 10, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).
How severe is CVE-2023-39955?
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-39955?
Check the references section for vendor advisories and patches from nextcloud. Update notes 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-2023-39955?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-39955 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.
How CyberStrike Helps
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