VULNERABILITY INTELLIGENCE
CVE-2018-13815
CVSS score7.5 HIGH
EPSS probability1.80%
CISA KEVNot currently listed
Published2018-12-13
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
A vulnerability has been identified in SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6). An attacker could exhaust the available connection pool of an affected device by opening a sufficient number of connections to the device. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. The vulnerability, if exploited, could cause a Denial-of-Service condition impacting the availability of the system. At the time of advisory publication no public exploitation of this vulnerability was known.
Weakness classification
- CWE-400: Uncontrolled Resource Consumption
- CWE-410: Insufficient Resource Pool
Primary references
- productcert@siemens.com — Third Party Advisory, VDB Entry
- productcert@siemens.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory