Improper input validation in Siemens Simatic S7-1500 CPU Firmware
CVE-2016-2201
Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to bypass a replay protection mechanism via packets on TCP port 102.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.029 (86.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Siemens Simatic S7-1500 CPU Firmware — versions 1.8.2
- Siemens Simatic S7-1511-1 Pn CPU
- Siemens Simatic S7-1511c-1 Pn CPU
- Siemens Simatic S7-1511f-1 Pn CPU
- Siemens Simatic S7-1512c-1 Pn CPU
- Siemens Simatic S7-1513-1 Pn CPU
- Siemens Simatic S7-1513f-1 Pn CPU
- Siemens Simatic S7-1515-2 Pn CPU
- Siemens Simatic S7-1515f-2 Pn CPU
- Siemens Simatic S7-1516-3 Pn\/dp CPU
Weakness classification (CWE)
References
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-253230.pdf (Vendor Advisory)
- www.securitytracker.com/id/1034954 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/83110 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-16-040-02 (US Government Resource, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-253230.pdf
Frequently asked questions
- What is CVE-2016-2201?
- CVE-2016-2201 is a medium-severity vulnerability in Siemens Simatic S7-1500 CPU Firmware, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2016-02-08.
- How severe is CVE-2016-2201?
- Medium severity. CVSS v3 base score is 5.3 out of 10.