CVSS: 4.0EPSS: 0%CPEs: 3EXPL: 0CVE-2021-32653 – Default settings leak federated cloud ID to lookup server of all users
https://notcve.org/view.php?id=CVE-2021-32653
Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server versions prior to 19.0.11, 20.0.10, or 21.0.2 send user IDs to the lookup server even if the user has no fields set to published. The vulnerability is patched in versions 19.0.11, 20.0.10, and 21.0.2; no workarounds outside the updates are known to exist. Nextcloud Server es un paquete de Nextcloud que maneja el almacenamiento de datos. Nextcloud Server versiones anteriores 19.0.11, 20.0.10 o 21.0.2, envían los ID de usuario al servidor de búsqueda incluso si el usuario no presenta ningún campo ajustado para ser publicado. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-396j-vqpr-qg45 https://hackerone.com/reports/1173436 https://security.gentoo.org/glsa/202208-17 • CWE-201: Insertion of Sensitive Information Into Sent Data •
CVSS: 6.7EPSS: 0%CPEs: 2EXPL: 2CVE-2020-8296
https://notcve.org/view.php?id=CVE-2020-8296
Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured. Nextcloud Server versiones anteriores a 20.0.0, almacena las contraseñas en un formato recuperable inclusive cuando el almacenamiento externo no está configurado • https://github.com/nextcloud/server/issues/17439 https://github.com/nextcloud/server/pull/21037 https://hackerone.com/reports/867164 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S https://nextcloud.com/security/advisory/?id=NC-SA-2021-006 • CWE-257: Storing Passwords in a Recoverable Format CWE-521: Weak Password Requirements •
CVSS: 4.8EPSS: 0%CPEs: 2EXPL: 1CVE-2021-22878
https://notcve.org/view.php?id=CVE-2021-22878
Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`. Nextcloud Server versiones anteriores a 20.0.6, es vulnerable a un ataque de tipo cross-site scripting (XSS) reflejado debido a una falta de saneamiento en "OC.Notification.show" • https://github.com/nextcloud/server/pull/25234 https://hackerone.com/reports/896522 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S https://nextcloud.com/security/advisory/?id=NC-SA-2021-005 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 1CVE-2021-22877
https://notcve.org/view.php?id=CVE-2021-22877
A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet. Una falta de comprobación de usuario en Nextcloud versiones anteriores a 20.0.6, inadvertidamente llena las propias credenciales del usuario para la configuración del almacenamiento externo de otros usuarios cuando aún no están configuradas • https://github.com/nextcloud/server/issues/24600 https://github.com/nextcloud/server/pull/25224 https://hackerone.com/reports/1061591 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S https://nextcloud.com/security/advisory/?id=NC-SA-2021-004 • CWE-284: Improper Access Control CWE-862: Missing Authorization •
CVSS: 5.4EPSS: 0%CPEs: 3EXPL: 0CVE-2020-8294
https://notcve.org/view.php?id=CVE-2020-8294
A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format. Una falta comprobación de enlace en Nextcloud Server versiones anteriores a 20.0.2, 19.0.5, 18.0.11, permite una ejecución de un ataque de tipo XSS almacenado usando Internet Explorer cuando se guarda una URL "javascript:" en formato markdown • https://hackerone.com/reports/1023787 https://nextcloud.com/security/advisory/?id=NC-SA-2021-002 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •