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 a team admin to promote guests to team admins via crafted HTTP requests.
{
"cna_assigner": "Mattermost",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/4xxx/CVE-2024-4195.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "9.6.0"
},
{
"last_affected": "9.6.0"
},
{
"introduced": "9.5.0"
},
{
"last_affected": "9.5.2"
},
{
"introduced": "8.1.0"
},
{
"last_affected": "8.1.11"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"introduced": "9.5.x"
},
{
"fixed": "9.5.3"
},
{
"introduced": "8.1.x"
},
{
"fixed": "8.1.12"
}
],
"source": "DESCRIPTION"
}
],
"cwe_ids": [
"CWE-284"
]
}