CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
17.7%
SSVC
Exploitation
none
Automatable
yes
Technical Impact
partial
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allowsΒ a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.
[
{
"cpes": [
"cpe:2.3:a:mattermost:mattermost:9.10.0:-:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost:9.5.0:*:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost:9.8.0:-:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost:9.9.0:-:*:*:*:*:*:*"
],
"vendor": "mattermost",
"product": "mattermost",
"versions": [
{
"status": "affected",
"version": "9.10.0"
},
{
"status": "affected",
"version": "9.5.0",
"versionType": "custom",
"lessThanOrEqual": "9.5.7"
},
{
"status": "affected",
"version": "9.8.0",
"versionType": "custom",
"lessThanOrEqual": "9.8.2"
},
{
"status": "affected",
"version": "9.9.0",
"versionType": "custom",
"lessThanOrEqual": "9.9.1"
}
],
"defaultStatus": "unknown"
}
]
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
17.7%
SSVC
Exploitation
none
Automatable
yes
Technical Impact
partial