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CVE-2023-52077

8.9 · HIGH

Nexkey is a lightweight fork of Misskey v12 optimized for small to medium size servers.

Published Dec 27, 2023CWE-863EPSS 0.69%

Overview

CVE-2023-52077 is a high-severity vulnerability. It was published on December 27, 2023 and has a CVSS 3.1 base score of 8.9 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.9, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Nexkey is a lightweight fork of Misskey v12 optimized for small to medium size servers. Prior to 12.23Q4.5, Nexkey allows external apps using tokens issued by administrators and moderators to call admin APIs. This allows malicious third-party apps to perform operations such as updating server settings, as well as compromise object storage and email server credentials. This issue has been patched in 12.23Q4.5.

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/mei23/misskey-v12/commit/78173e376f14fcc1987b02196f5538bf5b18225cGitHubgithub.com/misskey-dev/misskey/commit/5150053275594278e9eb23e72d98b16593c4c230GitHubgithub.com/nexryai/nexkey/commit/a4e4c9c47c5f84ec7ccd309bde59d4ae5d7e5a98GitHubgithub.com/nexryai/nexkey/security/advisories/GHSA-pjj7-7hcj-9cpcGitHubgithub.com/mei23/misskey-v12/commit/78173e376f14fcc1987b02196f5538bf5b18225cGitHubgithub.com/misskey-dev/misskey/commit/5150053275594278e9eb23e72d98b16593c4c230GitHubgithub.com/nexryai/nexkey/commit/a4e4c9c47c5f84ec7ccd309bde59d4ae5d7e5a98GitHubgithub.com/nexryai/nexkey/security/advisories/GHSA-pjj7-7hcj-9cpc

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52077?

CVE-2023-52077 is a high-severity vulnerability. It was published on December 27, 2023 and has a CVSS 3.1 base score of 8.9 (HIGH).

How severe is CVE-2023-52077?

This vulnerability has a CVSS 3.1 base score of 8.9, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52077?

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-2023-52077?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52077 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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