Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes which allows an attacker authenticated as team admin to demote users to guest via crafted HTTP requests.
{
"cna_assigner": "Mattermost",
"cwe_ids": [
"CWE-284"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/4xxx/CVE-2024-4198.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "9.6.0"
},
{
"last_affected": "9.6.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
},
{
"extracted_events": [
{
"range": [
{
"introduced": "9.5.0"
},
{
"last_affected": "9.5.2"
},
{
"introduced": "8.1.0"
},
{
"last_affected": "8.1.11"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
]
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.1.0"
},
{
"fixed": "8.1.12"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "9.5.0"
},
{
"fixed": "9.5.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:9.6.0:-:*:*:*:*:*:*",
"range": [
{
"introduced": "9.6.0-NA"
},
{
"last_affected": "9.6.0-NA"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc3:*:*:*:*:*:*",
"range": [
{
"introduced": "9.6.0-rc3"
},
{
"last_affected": "9.6.0-rc3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "9.6.0-rc1"
},
{
"last_affected": "9.6.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "9.6.0-rc2"
},
{
"last_affected": "9.6.0-rc2"
}
],
"source": "CPE_STRING"
}
]
}