CVE-2018-13807
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
8.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.1 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.8%
A vulnerability has been identified in SCALANCE X300 (All versions < V4.0.0), SCALANCE X408 (All versions < V4.0.0), SCALANCE X414 (All versions). The web interface on port 443/tcp could allow an attacker to cause a Denial-of-Service condition by sending specially crafted packets to the web server. The device will automatically reboot, impacting network availability for other devices. An attacker must have network access to port 443/tcp to exploit the vulnerability. Neither valid credentials nor interaction by a legitimate user is required to exploit the vulnerability. There is no confidentiality or integrity impact, only availability is temporarily impacted. This vulnerability could be triggered by publicly available tools.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| siemens:scalance_x408_firmware | siemens scalance x408 firmware | lt | 4.0.0 |
CNA Affected
[
{
"product": "SCALANCE X300, SCALANCE X408, SCALANCE X414",
"vendor": "Siemens AG",
"versions": [
{
"status": "affected",
"version": "SCALANCE X300 : All versions < V4.0.0"
},
{
"status": "affected",
"version": "SCALANCE X408 : All versions < V4.0.0"
},
{
"status": "affected",
"version": "SCALANCE X414 : All versions"
}
]
}
]Related
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
8.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.1 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.8%