CVE-2021-37629 is a vulnerability in Nextcloud Richdocuments
Published on September 7, 2021
Lack of ratelimit on Richdocuments OCS endpoint in nextcloud
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.
Vulnerability Analysis
CVE-2021-37629 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2021-37629 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2021-37629
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Affected Versions
nextcloud security-advisories:- Version < 3.8.4 is affected.
- Version >= 4.0.0, < 4.2.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.