CVE-2021-32725

Default share permissions not respected for federated reshares

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, default share permissions were not being respected for federated reshares of files and folders. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.

Nextcloud Server es un paquete de Nextcloud que maneja el almacenamiento de datos. En versiones anteriores a 19.0.13, 20.011 y 21.0.3, no estaban siendo respetados los permisos de uso compartido predeterminados para las acciones federadas de archivos y carpetas. El problema fue corregido en versiones 19.0.13, 20.0.11 y 21.0.3. No hay soluciones conocidas

*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

Privileges Required

Low

User Interaction

Required

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

2021-05-12 CVE Reserved
2021-07-12 CVE Published
2024-03-27 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-276: Incorrect Default Permissions
CWE-277: Insecure Inherited Permissions

CAPEC

References (3)

URL	Tag	Source
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/nextcloud/server/pull/26946	2022-10-26

URL	Date	SRC
https://security.gentoo.org/glsa/202208-17	2022-10-26

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"				< 19.0.13 Search vendor "Nextcloud" for product "Nextcloud Server" and version " < 19.0.13"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 20.0.0 < 20.0.11 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 20.0.0 < 20.0.11"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 21.0.0 < 21.0.3 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 21.0.0 < 21.0.3"		-		Affected