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CVE-2017-0936

5.7 · MEDIUM

Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability.

Published Mar 28, 2018CWE-639EPSS 0.75%

Overview

CVE-2017-0936 is a medium-severity vulnerability. It was published on March 28, 2018 and has a CVSS 3.0 base score of 5.7 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could the error be misused to identify as another user.

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

Refhackerone.com/reports/297751Refnextcloud.com/security/advisory/?id=nc-sa-2018-001Refhackerone.com/reports/297751Refnextcloud.com/security/advisory/?id=nc-sa-2018-001

How CyberStrike helps

Frequently asked questions

What is CVE-2017-0936?

CVE-2017-0936 is a medium-severity vulnerability. It was published on March 28, 2018 and has a CVSS 3.0 base score of 5.7 (MEDIUM).

How severe is CVE-2017-0936?

This vulnerability has a CVSS 3.0 base score of 5.7, 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-2017-0936?

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-2017-0936?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-0936 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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