CVE-2021-37629 - CVE House

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Status published Medium CVE-2021-37629

Lack of ratelimit on Richdocuments OCS endpoint in nextcloud

5.3 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

nextcloud

View all reports →

Affected Software

security-advisories

Vulnerable Versions:

< 3.8.4, >= 4.0.0, < 4.2.1

Timeline

Official Publish: September 7th, 2021

Last Modified: August 4th, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1213 Data from Information Repositories

T1005 Data from Local System

T1552 Unsecured Credentials

Credential Access

T1041 Exfiltration Over C2 Channel