CVE-2023-49791

Workflows do not require password confirmation on API level

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when an attacker manages to get access to an active session of another user via another way, they could delete and modify workflows by sending calls directly to the API bypassing the password confirmation shown in the UI. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available.

Nextcloud Server proporciona almacenamiento de datos para Nextcloud, una plataforma en la nube de código abierto. En Nextcloud Server anteriores a las versiones 26.0.9 y 27.1.4; así como Nextcloud Enterprise Server anteriores a las versiones 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9 y 27.1.4; Cuando un atacante logra acceder a una sesión activa de otro usuario de otra manera, podría eliminar y modificar los workflows enviando llamadas directamente a la API sin pasar por la confirmación de contraseña que se muestra en la interfaz de usuario. Las versiones 26.0.9 y 27.1.4 de Nextcloud Server y las versiones 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9 y 27.1.4 de Nextcloud Enterprise Server contienen un parche para este problema. No hay workarounds disponibles.

*Credits: N/A

CVSS Scores

NISTv3.1 5.4

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-30 CVE Reserved
2023-12-22 CVE Published
2024-09-12 CVE Updated
2024-11-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-284: Improper Access Control
CWE-287: Improper Authentication

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/nextcloud/server/pull/41520	2024-01-03

URL	Date	SRC
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f8p-6qww-2prr	2024-01-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 23.0.0 < 23.0.12.13 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 23.0.0 < 23.0.12.13"		enterprise		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 24.0.0 < 24.0.12.9 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 24.0.0 < 24.0.12.9"		enterprise		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 25.0.0 < 25.0.13.4 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 25.0.0 < 25.0.13.4"		enterprise		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 26.0.0 < 26.0.9 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 26.0.0 < 26.0.9"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 26.0.0 < 26.0.9 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 26.0.0 < 26.0.9"		enterprise		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 27.0.0 < 27.1.4 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 27.0.0 < 27.1.4"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 27.0.0 < 27.1.4 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 27.0.0 < 27.1.4"		enterprise		Affected