Uncontrolled resource consumption in Siemens SCALANCE S602
Priority LOW 36CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
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.
Why it matters now
EPSS 0.015 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SCALANCE S602 | All versions >= V3.0 and < V4.1 | — | No fix listed | CNA |
| Siemens | SCALANCE S612 | All versions >= V3.0 and < V4.1 | — | No fix listed | CNA |
| Siemens | SCALANCE S623 | All versions >= V3.0 and < V4.1 | — | No fix listed | CNA |
| Siemens | SCALANCE S627-2M | All versions >= V3.0 and < V4.1 | — | No fix listed | CNA |
- SCALANCE S602 VendorSiemens Affected All versions >= V3.0 and < V4.1 Fixed in — No fix listed CNA
- SCALANCE S612 VendorSiemens Affected All versions >= V3.0 and < V4.1 Fixed in — No fix listed CNA
- SCALANCE S623 VendorSiemens Affected All versions >= V3.0 and < V4.1 Fixed in — No fix listed CNA
- SCALANCE S627-2M VendorSiemens Affected All versions >= V3.0 and < V4.1 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:scalance_s602_firmware:*:*:*:*:*:*:*:* | 3.0 to before 4.1 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_s602:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:scalance_s612_firmware:*:*:*:*:*:*:*:* | 3.0 to before 4.1 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_s612:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:scalance_s623_firmware:*:*:*:*:*:*:*:* | 3.0 to before 4.1 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_s623:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:scalance_s627-2m_firmware:*:*:*:*:*:*:*:* | 3.0 to before 4.1 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_s627-2m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:scalance_s602_firmware:*:*:*:*:*:*:*:* Versions 3.0 to before 4.1 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_s602:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:scalance_s612_firmware:*:*:*:*:*:*:*:* Versions 3.0 to before 4.1 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_s612:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:scalance_s623_firmware:*:*:*:*:*:*:*:* Versions 3.0 to before 4.1 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_s623:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:scalance_s627-2m_firmware:*:*:*:*:*:*:*:* Versions 3.0 to before 4.1 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_s627-2m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13926
- 2026-10-03 Alias added: GHSA-vwh5-q72r-gr35
References
More Siemens Scalance S602 Firmware vulnerabilities
- TI-2021-02413 NULL pointer deref in signature_algorithms processing CVSS 3.1MEDIUM 5.9
- TI-2019-10381 Uncontrolled resource consumption in Siemens SCALANCE S602 CVSS 3.1HIGH 7.5
- TI-2019-04637 Cross-site scripting in Siemens SCALANCE S602 CVSS 3.1MEDIUM 6.1
- TI-2018-11875 Cross-site scripting in Siemens SCALANCE S602, SCALANCE S612, SCALANCE S623, SCALANCE… CVSS 3.0MEDIUM 5.4
Sources
- CVE-2019-13926 · CVE Program
- CVE-2019-13926 · NVD
- FIRST EPSS
- GHSA-vwh5-q72r-gr35 · GitHub Advisory Database · CC BY 4.0
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