Resource exhaustion in Siemens Scalance S602
CVE-2019-13926
A vulnerability has been identified in SCALANCE S602 (All versions >= V3.0 and < V4.1), SCALANCE S612 (All versions >= V3.0 and < V4.1), SCALANCE S623 (All versions >= V3.0 and < V4.1), SCALANCE S627-2M (All versions >= V3.0 and < V4.1). Specially crafted packets sent to port 443/tcp of affected devices could cause a Denial-of-Service condition of the web server. A cold reboot is required to restore the functionality of the device.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Siemens Scalance S602 — versions All versions >= V3.0 and < V4.1
- Siemens Scalance S602
- Siemens Scalance S602 Firmware
- Siemens Scalance S612 — versions All versions >= V3.0 and < V4.1
- Siemens Scalance S612
- Siemens Scalance S612 Firmware
- Siemens Scalance S623 — versions All versions >= V3.0 and < V4.1
- Siemens Scalance S623
- Siemens Scalance S623 Firmware
- Siemens Scalance S627-2m — versions All versions >= V3.0 and < V4.1
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-591405.pdf (Vendor Advisory)
- www.us-cert.gov/ics/advisories/icsa-20-042-10 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-13926?
- CVE-2019-13926 is a high-severity vulnerability in Siemens Scalance S602, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-02-11.
- How severe is CVE-2019-13926?
- High severity. CVSS v3 base score is 7.5 out of 10.