CVE-2020-8118

An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application...

Security feature bypass

Not strictly enough sanitization in the Nextcloud Android app 3.6.0 allowed an attacker to get content information from protected tables when using custom queries...

Input validation

Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project...

Design/Logic Flaw

Violation of Secure Design Principles in the iOS App 2.23.0 causes the app to leak its login and token to other Nextcloud services when search e.g. for federated users or registering for push notifications...

Improper access control

Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature...

Input validation

Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders...

Input validation

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event...

Code injection

A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer...

Design/Logic Flaw

Dangling remote share attempts in Nextcloud 16 allow a DNS pollution when running long...

Input validation

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link...

Server side request forgery (ssrf)

An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application...

CVE-2019-15624

Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders...

CVE-2019-15622

Not strictly enough sanitization in the Nextcloud Android app 3.6.0 allowed an attacker to get content information from protected tables when using custom queries...

CVE-2019-15617

A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login...

CVE-2020-8122

A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received...

CVE-2019-15619

Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project...

CVE-2019-15618

Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location...

CVE-2020-8122

CVE-2020-8122 affects Nextcloud Server 14.0.3, where a missing authorization check on share expiration updates lets a recipient extend the expiration date of a share they received. The root cause is an inadequate validation of the requester as the owner when modifying a share’s expiration. This v...

CVE-2019-15621

Nextcloud Server 16.0.1 is affected by CVE-2019-15621: an improper permissions preservation enables sharees to reshare with write permissions when sharing the mount point of a received share via a public link. Root cause is a permissions preservation flaw in the sharing flow; exploitation details...

CVE-2019-15613

CVE-2019-15613 affects Nextcloud Server 17.0.1, where a bug causes workflow rules to depend on the file extension when checking MIME types. This can impact all three security properties (confidentiality, integrity, availability) per CVSS metrics (NVD: AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H; base sco...