// For flags

CVE-2021-37629

Lack of ratelimit on Richdocuments OCS endpoint in nextcloud

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Nextcloud Richdocuments es una suite de oficina colaborativa de código abierto. En las versiones afectadas se presenta una falta de limitación de velocidad en el endpoint Richdocuments OCS. Esto puede haber permitido a un atacante enumerar tokens de uso compartido potencialmente válidos. Se recomienda que la aplicación Nextcloud Richdocuments se actualice a versión 3.8.4 o 4.2.1 para solucionarlo. Para los usuarios que no puedan actualizar, se recomienda deshabilitar la aplicación Richdocuments

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-07-29 CVE Reserved
  • 2021-09-07 CVE Published
  • 2024-05-23 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nextcloud
Search vendor "Nextcloud"
 Richdocuments
Search vendor "Nextcloud" for product "Richdocuments"
 < 3.8.4
Search vendor "Nextcloud" for product "Richdocuments" and version " < 3.8.4"
-
Affected
Nextcloud
Search vendor "Nextcloud"
 Richdocuments
Search vendor "Nextcloud" for product "Richdocuments"
 >= 4.0.0 < 4.2.1
Search vendor "Nextcloud" for product "Richdocuments" and version " >= 4.0.0 < 4.2.1"
-
Affected