Vulnerability Details : CVE-2018-16559
A vulnerability has been identified in SIMATIC S7-1500 CPU (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 CPU (All versions <= V1.8.5). Specially crafted network packets sent to port 80/tcp or 443/tcp could allow an unauthenticated remote attacker to cause a Denial-of-Service condition of the device. The security vulnerability could be exploited by an attacker with network access to the affected systems on port 80/tcp or 443/tcp. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.
Vulnerability category: Input validationDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-16559
Probability of exploitation activity in the next 30 days: 0.22%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 59 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-16559
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-16559
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-16559
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https://cert-portal.siemens.com/productcert/pdf/ssa-180635.pdf
Vendor Advisory
Products affected by CVE-2018-16559
- cpe:2.3:o:siemens:simatic_s7-1500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-1500_firmware:*:*:*:*:*:*:*:*