Overview
- Description
- Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.
- Source
- responsibledisclosure@mattermost.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.2
- Impact score
- 4.2
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Severity
- HIGH
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7F550344-4A29-4354-9AB9-9E9168B81908",
"versionEndExcluding": "7.8.9"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "78A07BB1-20D2-41B4-9823-B3EF8CDFC997",
"versionEndExcluding": "7.10.5",
"versionStartIncluding": "7.9.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:8.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E47E76CA-0C92-4039-8448-D6618DF531CD"
}
],
"operator": "OR"
}
]
}
]