CVE-2018-13805
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.2%
A vulnerability has been identified in SIMATIC ET 200SP Open Controller (All versions >= V2.0 and < V2.1.6), SIMATIC S7-1500 Software Controller (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 incl. F (All versions >= V2.0 and < V2.5). An attacker can cause a denial-of-service condition on the network stack by sending a large number of specially crafted packets to the PLC. The PLC will lose its ability to communicate over the network. This vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and no user interaction. An attacker could use this vulnerability to compromise availability of the network connectivity. At the time of advisory publication no public exploitation of this vulnerability was known.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| siemens:simatic_et_200sp_firmware | siemens simatic et 200sp firmware | eq | * |
CNA Affected
[
{
"product": "SIMATIC ET 200SP Open Controller",
"vendor": "Siemens AG",
"versions": [
{
"status": "affected",
"version": "All versions >= V2.0 and < V2.1.6"
}
]
},
{
"product": "SIMATIC S7-1500 Software Controller",
"vendor": "Siemens AG",
"versions": [
{
"status": "affected",
"version": "All versions >= V2.0 and < V2.5"
}
]
},
{
"product": "SIMATIC S7-1500 incl. F",
"vendor": "Siemens AG",
"versions": [
{
"status": "affected",
"version": "All versions >= V2.0 and < V2.5"
}
]
}
]Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.2%