Improper input validation in Siemens Scalance X300
CVE-2018-13807
A vulnerability has been identified in SCALANCE X300 (All versions < V4.0.0), SCALANCE X408 (All versions < V4.0.0), SCALANCE X414 (All versions). The web interface on port 443/tcp could allow an attacker to cause a Denial-of-Service condition by sending specially crafted packets to the web server. The device will automatically reboot, impacting network availability for other devices. An attacker must have network access to port 443/tcp to exploit the vulnerability. Neither valid credentials nor interaction by a legitimate user is required to exploit the vulnerability. There is no confidentiality or integrity impact, only availability is temporarily impacted. This vulnerability could be triggered by publicly available tools.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.042 (90.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
- Siemens Scalance X300
- Siemens Scalance X300 Firmware
- Siemens Scalance X408
- Siemens Scalance X408 Firmware
- Siemens Scalance X414
- Siemens Scalance X414 Firmware
- Siemens Ag Scalance X300, X408, X414 — versions SCALANCE X408 : All versions < V4.0.0, SCALANCE X300 : All versions < V4.0.0, SCALANCE X414 : All versions
Weakness classification (CWE)
References
- ics-cert.us-cert.gov/advisories/ICSA-18-254-05 (US Government Resource, VDB Entry, Third Party Advisory)
- www.securityfocus.com/bid/105331 (VDB Entry, Third Party Advisory, vdb-entry)
- cert-portal.siemens.com/productcert/pdf/ssa-447396.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-13807?
- CVE-2018-13807 is a high-severity vulnerability in Siemens Scalance X300, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2018-09-12.
- How severe is CVE-2018-13807?
- High severity. CVSS v3 base score is 8.6 out of 10.