CVSS: 6.8EPSS: 0%CPEs: 2EXPL: 0CVE-2023-1775 – Unsanitized events sent over Websocket to regular users in a High Availability environment
https://notcve.org/view.php?id=CVE-2023-1775
31 Mar 2023 — When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients. • https://mattermost.com/security-updates • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-668: Exposure of Resource to Wrong Sphere •
CVSS: 5.5EPSS: 0%CPEs: 2EXPL: 0CVE-2023-1774 – Unauthorized email invite to a private channel
https://notcve.org/view.php?id=CVE-2023-1774
31 Mar 2023 — When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel. • https://mattermost.com/security-updates • CWE-862: Missing Authorization •
CVSS: 6.8EPSS: 0%CPEs: 1EXPL: 1CVE-2022-3257 – Server-side Denial of Service while processing a specifically crafted GIF file
https://notcve.org/view.php?id=CVE-2022-3257
23 Sep 2022 — Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service. Mattermost versión 7.1.x y anteriores, no procesan suficientemente un archivo GIF específicamente diseñado cuando es descargado mientras es redactada una publicación, lo que permite a usuarios autenticados causar el agotamiento de los re... • https://hackerone.com/reports/1620170 • CWE-400: Uncontrolled Resource Consumption CWE-434: Unrestricted Upload of File with Dangerous Type •
CVSS: 6.8EPSS: 0%CPEs: 1EXPL: 0CVE-2022-3147 – Server-side Denial of Service while processing a specifically crafted JPEG file
https://notcve.org/view.php?id=CVE-2022-3147
09 Sep 2022 — Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service. Mattermost versiones 7.0.x y anteriores, no limitan suficientemente los tamaños en memoria de las imágenes JPEG cargadas simultáneamente, lo que permite a usuarios autenticados causar el agotamiento de los recursos en configuraciones específicas de... • https://hackerone.com/reports/1549513 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 6.8EPSS: 0%CPEs: 5EXPL: 0CVE-2022-2401 – Team members could access sensitive information of other users via an API call
https://notcve.org/view.php?id=CVE-2022-2401
14 Jul 2022 — Unrestricted information disclosure of all users in Mattermost version 6.7.0 and earlier allows team members to access some sensitive information by directly accessing the APIs. Una divulgación de información sin restricciones de todos los usuarios en Mattermost versiones 6.7.0 y anteriores, permite a miembros del equipo acceder a determinada información confidencial mediante el acceso directo a las API • https://mattermost.com/security-updates • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 5.6EPSS: 0%CPEs: 4EXPL: 0CVE-2022-2366 – Incorrect defaults can cause attackers to bypass rate limitations
https://notcve.org/view.php?id=CVE-2022-2366
11 Jul 2022 — Incorrect default configuration for trusted IP header in Mattermost version 6.7.0 and earlier allows attacker to bypass some of the rate limitations in place or use manipulated IPs for audit logging via manipulating the request headers. Una configuración incorrecta por defecto del encabezado IP confiable en Mattermost versiones 6.7.0 y anteriores, permite a atacantes omitir algunas de las limitaciones de velocidad presentes o usar IPs manipuladas para el registro de auditoría por medio de la manipulación de... • https://mattermost.com/security-updates • CWE-276: Incorrect Default Permissions •
CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 0CVE-2022-1384 – Authorized users are allowed to install old plugin versions from the Marketplace
https://notcve.org/view.php?id=CVE-2022-1384
19 Apr 2022 — Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities. Mattermost versiones 6.4.x y anteriores, no comprueban apropiadamente la versión del plugin cuando es instalado un plugin desde el Marketplace, lo que permite a un usuario autenticado y autorizado instalar y explotar una ver... • https://mattermost.com/security-updates • CWE-477: Use of Obsolete Function CWE-862: Missing Authorization •
CVSS: 5.8EPSS: 0%CPEs: 1EXPL: 1CVE-2022-1385 – Invitation Email is resent as a Reminder after invalidating pending email invites
https://notcve.org/view.php?id=CVE-2022-1385
19 Apr 2022 — Mattermost 6.4.x and earlier fails to properly invalidate pending email invitations when the action is performed from the system console, which allows accidentally invited users to join the workspace and access information from the public teams and channels. Mattermost versiones 6.4.x y anteriores no invalidan apropiadamente las invitaciones por correo electrónico pendientes cuando la acción es llevada a cabo desde la consola del sistema, lo que permite a usuarios invitados accidentalmente unirse al espacio... • https://hackerone.com/reports/1486820 • CWE-664: Improper Control of a Resource Through its Lifetime CWE-668: Exposure of Resource to Wrong Sphere •
CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0CVE-2022-0903 – Stack overflow in SAML login in Mattermost
https://notcve.org/view.php?id=CVE-2022-0903
09 Mar 2022 — A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body. Un bug de desbordamiento de pila de llamadas en la función de inicio de sesión SAML en el servidor Mattermost en versiones hasta la 6.3.2 incluyéndola, permite a un atacante bloquear el servidor mediante el envío de un cuerpo POST malintencionadamente diseñado • https://mattermost.com/security-updates • CWE-787: Out-of-bounds Write •
CVSS: 5.7EPSS: 0%CPEs: 1EXPL: 0CVE-2021-37863
https://notcve.org/view.php?id=CVE-2021-37863
17 Dec 2021 — Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post. Mattermost versiones 6.0 y anteriores, no comprueban suficientemente los parámetros durante la creación de la entrada, lo que permite a atacantes autenticados causar un bloqueo del lado del cliente de la aplicación web por medio de una entrada maliciosamente diseñada • https://hackerone.com/reports/1253732 • CWE-20: Improper Input Validation •