CVE-2023-39959
Assigner: GitHub_M
Published: 2023-08-10T17:07:42.367Z
State: PUBLISHED
title: Existence of calendars and address books can be checked by unauthenticated users
problemTypes: descriptions: cweId: CWE-284
description: CWE-284: Improper Access Control
type: CWE
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 3.5
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
version: 3.1
affected: vendor: nextcloud
product: security-advisories
versions: version: >= 25.0.0, < 25.0.9
status: affected
version: >= 26.0.0, < 26.0.4
status: affected
version: >= 27.0.0, < 27.0.1
status: affected
descriptions: value: 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.
source: advisory: GHSA-g97r-8ffm-hfpj
discovery: UNKNOWN