CVE-2023-39959

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV request which reveals whether a calendar or an address book with the given identifier exists for the victim. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj	Vendor Advisory
https://github.com/nextcloud/server/pull/38747	Patch
https://hackerone.com/reports/1832126	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:nextcloud_server:::::-:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::-:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*
	cpe:2.3:a:nextcloud:nextcloud_server:27.0.0::::-:::
	cpe:2.3:a:nextcloud:nextcloud_server:27.0.0::::enterprise:::

History

No history.

Information

Published : 2023-08-10 18:15

Updated : 2023-08-16 16:51

NVD link : CVE-2023-39959

Mitre link : CVE-2023-39959

CVE.ORG link : CVE-2023-39959

JSON object : View

Products Affected

nextcloud

nextcloud_server

CWE

CWE-284

Improper Access Control

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