Resource exhaustion in Siemens Simatic S7-1200
CVE-2018-13815
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Siemens Simatic S7-1200
- Siemens Simatic S7-1200 Firmware
- Siemens Simatic S7-1500
- Siemens Simatic S7-1500 Firmware
- Siemens Ag Simatic S7-1200, S7-1500 — versions SIMATIC S7-1200 : All versions, SIMATIC S7-1500 : All Versions < V2.6
Weakness classification (CWE)
References
- www.securityfocus.com/bid/105928 (VDB Entry, Third Party Advisory, vdb-entry)
- cert-portal.siemens.com/productcert/pdf/ssa-584286.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-13815?
- CVE-2018-13815 is a high-severity vulnerability in Siemens Simatic S7-1200, classified under CWE-410. CVSS score: 7.5/10. Published 2018-12-13.
- How severe is CVE-2018-13815?
- High severity. CVSS v3 base score is 7.5 out of 10.