The authentication implementation in the web server on Siemens SCALANCE X-200 switches…
Priority MEDIUM 41CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.
Why it matters now
EPSS 0.02988 87th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:scalance_x-200_series_firmware:*:*:*:*:*:*:*:* | up to 4.4 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:scalance_x-200_series_firmware:4.3:*:*:*:*:*:*:* | 4.3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x-200:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x-200rna:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x200-4p_irt:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x201-3p_irt:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x201-3p_irt:-:-:pro:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x202-2irt:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x202-2p_irt:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x202-2p_irt:-:-:pro:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
- cpe:2.3:o:siemens:scalance_x-200_series_firmware:*:*:*:*:*:*:*:* Versions up to 4.4 Vulnerable ·Siemens
- cpe:2.3:o:siemens:scalance_x-200_series_firmware:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x-200:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x-200rna:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x200-4p_irt:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x201-3p_irt:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x201-3p_irt:-:-:pro:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x202-2irt:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x202-2p_irt:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x202-2p_irt:-:-:pro:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:siemens:scalance_x204irt:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_x204irt:-:-:pro:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_xf-200:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
- cpe:2.3:h:siemens:scalance_x204irt:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_x204irt:-:-:pro:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_xf-200:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-5709
- 2026-10-03 Alias added: GHSA-7qw8-4g2g-2m86
References
More Siemens Scalance X-200 vulnerabilities
- TI-2013-05067 The integrated web server on Siemens SCALANCE X-200 switches with firmware before 4.5.0… CVSS 2.0HIGH 10.0
Sources
- CVE-2013-5709 · CVE Program
- CVE-2013-5709 · NVD
- FIRST EPSS
- GHSA-7qw8-4g2g-2m86 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences