PT-2023-29634 · Nextcloud · Nextcloud Mail

Name of the Vulnerable Software and Affected Versions: Nextcloud Mail versions prior to 2.2.8 Nextcloud Mail versions prior to 3.3.0 Description: The issue is related to a missing check of origin, target, and cookies in Nextcloud Mail, allowing an attacker to abuse the proxy endpoint and cause a...

Nextcloud Security Breach

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud. No information about this vulnerability is available at this time, please stay tuned to CNNVD or the vendor...

PT-2023-6441 · Nextcloud +2 · Nextcloud +2

Name of the Vulnerable Software and Affected Versions: Nextcloud versions prior to 25.0.8 Nextcloud versions prior to 26.0.3 Nextcloud versions prior to 27.0.1 Description: The issue is related to the storage of OAuth2 tokens in plaintext in Nextcloud, allowing an attacker who has gained access t...

PT-2023-6442 · Nextcloud +2 · Nextcloud +2

Name of the Vulnerable Software and Affected Versions: Nextcloud versions prior to 25.0.11 Nextcloud versions prior to 26.0.6 Nextcloud versions prior to 27.1.0 Description: The issue is related to the use of Memcached as memcache.distributed in Nextcloud, which can cause the rate limiting on the...

Nextcloud Code Issues Vulnerabilities

Nextcloud is an open source, self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A code issue vulnerability exists in Nextcloud mail, which stems from a lack of checking of the source, target, and cookie...

CVE-2023-45151: Cleartext Storage of Sensitive Information

Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which allows an attacker who has gained access to the server to potentially elevate their privilege. This issue has been addressed and users are recommended to upgrade their...

CVE-2023-45150: Uncontrolled Resource Consumption

Nextcloud calendar is a calendar app for the Nextcloud server platform. Due to missing precondition checks the server was trying to validate strings of any length as email addresses even when megabytes of data were provided, eventually making the server busy and unresponsive. It is recommended th...

CVE-2023-45149: Improper Restriction of Excessive Authentication Attempts

Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection of public talk conversation passwords can be bypassed, as there was an endpoint validating the conversation password without registering bruteforce attempts. It is recommended that the...

CVE-2023-45148: Improper Restriction of Excessive Authentication Attempts

Nextcloud is an open source home cloud server. When Memcached is used as memcache.distributed the rate limiting in Nextcloud Server could be reset unexpectedly resetting the rate count earlier than intended. Users are advised to upgrade to versions 25.0.11, 26.0.6 or 27.1.0. Users unable to upgra...

CVE-2023-45660: Server-Side Request Forgery (SSRF)

Nextcloud mail is an email app for the Nextcloud home server platform. In affected versions a missing check of origin, target and cookies allows for an attacker to abuse the proxy endpoint to denial of service a third server. It is recommended that the Nextcloud Mail is upgraded to 2.2.8 or 3.3.0...

Nextcloud Talk Security Vulnerability

Nextcloud Talk is a self-hosted local audio/video and chat communication service from Nextcloud Germany. A security vulnerability exists in Nextcloud Talk. An attacker could exploit the vulnerability to obtain password information...

PT-2023-29439 · Nextcloud · Nextcloud Talk

Name of the Vulnerable Software and Affected Versions: Nextcloud Talk versions prior to 15.0.8 Nextcloud Talk versions prior to 16.0.6 Nextcloud Talk versions prior to 17.1.1 Description: The issue concerns the brute force protection of public talk conversation passwords in Nextcloud Talk, a chat...

Nextcloud Security Breach

Nextcloud is a suite of open source, self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud. An attacker can exploit the vulnerability to elevate privileges...

Nextcloud Server < 22.2.10.14, 23.x < 23.0.12.9, 24.x < 24.0.12.5, 25.x < 25.0.9, 26.x < 26.0.4 Improper Access Control Vulnerability (GHSA-2hrc-5fgp-c9c9)

Nextcloud Server is prone to an improper access control vulnerability. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Nextcloud: HTML injection in search UI when selecting a circle with HTML in the display name

An HTML injection vulnerability was discovered in the search user interface of a cloud application. When selecting a circle with HTML in the display name, this could allow redirection to malicious websites or other adverse impacts such as data theft, phishing, or malware distribution...

CVE-2023-39960

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing...

Code injection

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing...

CVE-2023-39960

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing...

CVE-2023-39960 Nextcloud Server has improper restriction of excessive authentication attempts on WebDAV endpoint

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing...

CVE-2023-39960 Nextcloud Server has improper restriction of excessive authentication attempts on WebDAV endpoint

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing...