CVE-2017-18874

Mattermost Server has a directory traversal vulnerability when local storage for files is used, affecting versions prior to 4.3.0, 4.2.1, and 4.1.2. A System Admin can achieve the traversal through local file storage handling. Remediation: upgrade to Mattermost Server 4.3.0 or later (or apply ven...

CVE-2017-18874

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal...

CVE-2017-18874

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal...

CVE-2017-18875

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can create arbitrary files...

CVE-2017-18875

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can create arbitrary files...

CVE-2017-18876

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can test for the existence of an arbitrary file...

Design/Logic Flaw

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can create arbitrary files...

CVE-2017-18876

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can test for the existence of an arbitrary file...

CVE-2017-18875

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can create arbitrary files...

CVE-2017-18875

Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 is vulnerable when local storage for files is used. A System Admin can create arbitrary files due to the underlying issue. Connected sources (SUSE SU-2025 and related advisories) confirm the affected versions and the same impact, but the provided d...

CVE-2020-14451

An issue was discovered in Mattermost Mobile Apps before 1.29.0. The iOS app allowed Single Sign-On cookies and Local Storage to remain after a logout, aka MMSA-2020-0013...

Design/Logic Flaw

An issue was discovered in Mattermost Mobile Apps before 1.29.0. The iOS app allowed Single Sign-On cookies and Local Storage to remain after a logout, aka MMSA-2020-0013...

CVE-2020-14451

An issue was discovered in Mattermost Mobile Apps before 1.29.0. The iOS app allowed Single Sign-On cookies and Local Storage to remain after a logout, aka MMSA-2020-0013...

CVE-2020-14451

An issue was discovered in Mattermost Mobile Apps before 1.29.0. The iOS app allowed Single Sign-On cookies and Local Storage to remain after a logout, aka MMSA-2020-0013...

CVE-2020-14451

CVE-2020-14451 describes a flaw in Mattermost Mobile Apps (iOS) prior to version 1.29.0 where Single Sign-On cookies and Local Storage were not cleared on logout, potentially allowing access to residual authentication state after sign-out. The issue is due to the app not clearing SSO cookies/loca...

CVE-2017-18875: Incorrect Permission Assignment for Critical Resource

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can create arbitrary files...

PT-2020-8422

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 4.3.0 Mattermost Server version 4.2.1 Mattermost Server version 4.1.2 Description: An issue was discovered in Mattermost Server when local storage for files is used, allowing a System Admin to test for the...

PT-2020-8421

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 4.3.0 Mattermost Server version 4.2.1 Mattermost Server version 4.1.2 Description: An issue was discovered in Mattermost Server when local storage for files is used, allowing a System Admin to create...

CVE-2017-18876: Incorrect Permission Assignment for Critical Resource

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can test for the existence of an arbitrary file...

CVE-2017-18874: Improper Limitation of a Pathname to a Restricted Directory

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal...