CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
AI Score
Confidence
High
EPSS
Percentile
16.8%
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly validateย synced posts, when shared channels are enabled,ย ย which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels
Vendor | Product | Version | CPE |
---|---|---|---|
mattermost | mattermost_server | * | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
mattermost | mattermost_server | 9.9.0 | cpe:2.3:a:mattermost:mattermost_server:9.9.0:*:*:*:*:*:*:* |
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"status": "affected",
"version": "9.9.0"
},
{
"lessThanOrEqual": "9.5.6",
"status": "affected",
"version": "9.5.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "9.7.5",
"status": "affected",
"version": "9.7.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "9.8.1",
"status": "affected",
"version": "9.8.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "9.10.0"
},
{
"status": "unaffected",
"version": "9.9.1"
},
{
"status": "unaffected",
"version": "9.5.7"
},
{
"status": "unaffected",
"version": "9.7.6"
},
{
"status": "unaffected",
"version": "9.8.2"
}
]
}
]