CVE-2021-37865
3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:N/A:P
5.7 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
5.4 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
35.2%
Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| mattermost:mattermost | mattermost | le | 6.2.0 |
CNA Affected
[
{
"product": "Mattermost ",
"vendor": "Mattermost ",
"versions": [
{
"lessThanOrEqual": "6.2",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "unspecified",
"status": "unaffected",
"version": "6.1.1",
"versionType": "custom"
},
{
"lessThan": "unspecified",
"status": "unaffected",
"version": "6.0.4",
"versionType": "custom"
},
{
"lessThan": "unspecified",
"status": "unaffected",
"version": "5.39.3",
"versionType": "custom"
},
{
"lessThan": "unspecified",
"status": "unaffected",
"version": "5.37.6",
"versionType": "custom"
}
]
}
]Related
3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:N/A:P
5.7 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
5.4 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
35.2%