// For flags

CVE-2024-37313

Nextcloud server allows the by-pass the second factor

Severity Score

7.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Nextcloud server is a self hosted personal cloud system. Under some circumstance it was possible to bypass the second factor of 2FA after successfully providing the user credentials. It is recommended that the Nextcloud Server is upgraded to 26.0.13, 27.1.8 or 28.0.4 and Nextcloud Enterprise Server is upgraded to 21.0.9.17, 22.2.10.22, 23.0.12.17, 24.0.12.13, 25.0.13.8, 26.0.13, 27.1.8 or 28.0.4.

El servidor Nextcloud es un sistema de nube personal autohospedado. En algunas circunstancias, fue posible omitir el segundo factor de 2FA después de proporcionar correctamente las credenciales del usuario. Se recomienda actualizar Nextcloud Server a 26.0.13, 27.1.8 o 28.0.4 y Nextcloud Enterprise Server a 21.0.9.17, 22.2.10.22, 23.0.12.17, 24.0.12.13, 25.0.13.8, 26.0. 13, 27.1.8 o 28.0.4.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-06-05 CVE Reserved
  • 2024-06-14 CVE Published
  • 2024-06-15 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
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"
Security-advisories
Search vendor "Nextcloud" for product "Security-advisories"
>= 26.0.0 < 26.0.13
Search vendor "Nextcloud" for product "Security-advisories" and version " >= 26.0.0 < 26.0.13"
en
Affected
Nextcloud
Search vendor "Nextcloud"
Security-advisories
Search vendor "Nextcloud" for product "Security-advisories"
>= 27.0.0 < 27.1.8
Search vendor "Nextcloud" for product "Security-advisories" and version " >= 27.0.0 < 27.1.8"
en
Affected
Nextcloud
Search vendor "Nextcloud"
Security-advisories
Search vendor "Nextcloud" for product "Security-advisories"
>= 28.0.0 < 28.0.4
Search vendor "Nextcloud" for product "Security-advisories" and version " >= 28.0.0 < 28.0.4"
en
Affected