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...

Improper restriction of excessive authentication attempts on WebDAV endpoint

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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 Server that stems from allowing an attacker to brute-force break passwords on the WebDAV API. Affected product...

The vulnerability of cloud-based software for creating and using Nextcloud storage solutions is related to an improper limitation on excessive authentication attempts. This allows a hacker to access the secret data of configured OAuth2 clients.

The vulnerability of cloud-based software for creating and using Nextcloud storage solutions is related to an improper limitation on excessive authentication attempts. Exploiting this vulnerability could allow a malicious actor to access the secret data of configured OAuth2 clients remotely...

The vulnerability of cloud-based software for creating and using Nextcloud storage solutions is related to improper access control, which allows attackers to gain unauthorized access to protected information.

The vulnerability of cloud-based software for creating and using Nextcloud storage solutions is related to improper access control. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

The vulnerability of cloud-based software for creating and using Nextcloud storage solutions is related to improper access control, which allows attackers to gain unauthorized access to protected information.

The vulnerability of cloud-based software for creating and using Nextcloud storage solutions is related to improper access control. Exploiting this vulnerability could allow an attacker, operating remotely, to gain unauthorized access to protected information by sending a DAV request that reveals...

The vulnerability of cloud-based software for creating and using Nextcloud data storage solutions is related to improper access control, which allows a hacker to change user passwords.

The vulnerability of cloud-based software for creating and using Nextcloud storage solutions is related to the absence of password confirmation for users who access the system. Exploiting this vulnerability can allow attackers to change user passwords...

The vulnerability of cloud-based software for creating and using Nextcloud data storage solutions is related to improper access control. This allows a hacker to delete any personal or global external storage, making it inaccessible to everyone else.

The vulnerability of cloud-based software for creating and using Nextcloud data storage solutions is related to improper access control. Exploiting this vulnerability could allow a malicious actor to delete any personal or global external storage, making it inaccessible to everyone else...

ROS-20230913-02

Nextcloud server vulnerability is related to improper access control. Exploitation of the vulnerability could allow an attacker acting remotely to access files within a subfolder of an accessible group folder, even if extended permissions block access to the subfolder. of a group folder, even if...

Nextcloud: Bypass password confirmation via Context-dependent access control (CDCA)

A vulnerability was found in Nextcloud server that allowed bypassing password confirmation for deleting workflows. By directly sending a DELETE request to the workflow delete endpoint, an attacker could delete workflows without providing the expected password confirmation. This broken...

Nextcloud: DNS pin middleware can be tricked into DNS rebinding allowing SSRF

A vulnerability was disclosed where the DNS pin middleware could be tricked into DNS rebinding, allowing SSRF...

Nextcloud: Enabling Birthday Contact to any user

The "Birthday Contacts" feature could be enabled for any user, including administrators and super administrators, from a low privileged account within the Nextcloud application by navigating to the calendar settings and intercepting a specific request...

Nextcloud: Memcached used as RateLimiter backend is no-op

A vulnerability was discovered where the Memcached cache was used as the backend for rate limiting. This resulted in cache entries being wiped and rate limit attempts and bruteforce protection being bypassed...

Nextcloud: Error when editing a calendar appointment returns stacktrace and query

A vulnerability was found where editing a calendar appointment and changing the ID to a non-existent value returned an error exposing internal server paths and an SQL query. The issue allowed disclosure of sensitive information...

Nextcloud: Admins can change authentication details of user configured external storage

A vulnerability was found where admins could change authentication details of user configured external storage. This allowed malicious admins to modify global credentials for other admin and user external storage...

Nextcloud Notes Cross-Site Scripting Vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A cross-site scripting vulnerability exists in Nextcloud Notes version 4.4.0 up to and including 4.8.0, which stems from the fact that when a notes file is...

SUSE CVE-2023-39953

useroidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, missing verification of the issuer would have allowed an attacker to perform a man-in-the-middle attack returning corrupted or known token they also...

SUSE CVE-2023-39958

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients...

SUSE CVE-2023-39954

useroidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, an attacker that obtained at least read access to a snapshot of the database can impersonate the Nextcloud server towards linked servers. useroidc...

SUSE CVE-2023-39962

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 19.0.0 and prior to versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a malicious user could delete any personal or global external...