4.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): Low (L)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
Activity log
- Created suggestion
Denial of Service via HTTP/2 single packet attack on login endpoint
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service (server crash and restart) via HTTP/2 single packet attack with 100+ parallel login requests.. Mattermost Advisory ID: MMSA-2025-00566
References
-
MMSA-2025-00566 vendor-advisory
Affected products
- =<11.2.3
- ==11.3.2
- ==11.4.1
- ==11.5.0
- =<11.4.0
- ==10.11.12
- =<10.11.11
- ==11.2.4
- =<11.3.1
Matching in nixpkgs
pkgs.mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle
pkgs.mattermostLatest
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle
pkgs.mattermost-desktop
Mattermost Desktop client
pkgs.python312Packages.mattermostdriver
Python Mattermost Driver
pkgs.python313Packages.mattermostdriver
Python Mattermost Driver
pkgs.python314Packages.mattermostdriver
Python Mattermost Driver
Package maintainers
-
@numinit Morgan Jones <me+nixpkgs@numin.it>
-
@mgdelacroix Miguel de la Cruz <mgdelacroix@gmail.com>
-
@fsagbuya Florian Agbuya <fa@m-labs.ph>
-
@Kranzes Ilan Joselevich <personal@ilanjoselevich.com>
-
@ryantm Ryan Mulligan <ryan@ryantm.com>
-
@liff Olli Helenius <liff@iki.fi>
-
@jokogr Ioannis Koutras <ioannis.koutras@gmail.com>
-
@globin Robin Gloster <mail@glob.in>