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.
Metrics
CVSS 3.0 7.5/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Siemens AG | SIMATIC S7-1200, SIMATIC S7-1500 | SIMATIC S7-1200 : All versions; SIMATIC S7-1500 : All Versions < V2.6 |
References
- http://www.securityfocus.com/bid/105928Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-584286.pdfVendor Advisory
- http://www.securityfocus.com/bid/105928Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-584286.pdfVendor Advisory
Timeline
- Published
- Dec 13, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified