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CVE-2023-45151

6.5 · MEDIUM

Nextcloud server is an open source home cloud platform.

Published Oct 16, 2023CWE-312EPSS 0.61%

Overview

CVE-2023-45151 is a medium-severity vulnerability. It was published on October 16, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which allows an attacker who has gained access to the server to potentially elevate their privilege. This issue has been addressed and users are recommended to upgrade their Nextcloud Server to version 25.0.8, 26.0.3 or 27.0.1. There are no known workarounds for this vulnerability.

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/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9GitHubgithub.com/nextcloud/server/pull/38398Refhackerone.com/reports/1994324GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9GitHubgithub.com/nextcloud/server/pull/38398Refhackerone.com/reports/1994324

How CyberStrike helps

Frequently asked questions

What is CVE-2023-45151?

CVE-2023-45151 is a medium-severity vulnerability. It was published on October 16, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-45151?

This vulnerability has a CVSS 3.1 base score of 6.5, 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-2023-45151?

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-2023-45151?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-45151 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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