Improper control of interaction frequency in Nextcloud Richdocuments - CVE-2021-37629
Published: September 7, 2021
Vulnerability identifier: #VU56364
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-37629
CWE-ID: CWE-799
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information on the target system.
The vulnerability exists due to a lack of ratelimiting on the Richdocuments OCS endpoint. A remote attacker can enumerate potentially valid share tokens.
Affected software
Nextcloud Richdocuments
How to mitigate CVE-2021-37629
Install updates from vendor's website.
Nextcloud Richdocuments - addressed in versions 3.8.4, 4.2.1