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CVE-2021-37629

5.3 · MEDIUM

Nextcloud Richdocuments is an open source collaborative office suite.

Published Sep 7, 2021CWE-200EPSS 1.38%

Overview

CVE-2021-37629 is a medium-severity vulnerability. It was published on September 7, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Nextcloud Richdocuments is an open source collaborative office suite. In affected versions there is a lack of rate limiting on the Richdocuments OCS endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. It is recommended that the Nextcloud Richdocuments app is upgraded to either 3.8.4 or 4.2.1 to resolve. For users unable to upgrade it is recommended that the Richdocuments application be disabled.

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/richdocuments/pull/1663GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-gvvr-h36p-8mjxRefhackerone.com/reports/1258750GitHubgithub.com/nextcloud/richdocuments/pull/1663GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-gvvr-h36p-8mjxRefhackerone.com/reports/1258750

How CyberStrike helps

Frequently asked questions

What is CVE-2021-37629?

CVE-2021-37629 is a medium-severity vulnerability. It was published on September 7, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2021-37629?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-37629?

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-2021-37629?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-37629 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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