CVEvulnerability
CVE-2013-5709
8.3 HIGH
Official page ↗
- Status
- Modified
- Published
- 2013-09-17
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 8.3 HIGH — AV:N/AC:M/Au:N/C:P/I:P/A:C
- Weaknesses
- CWE-189
Description
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.
Affected configurations
• siemens scalance x-200 series firmware (<= 4.4)
• siemens scalance x-200 series firmware 4.3
• siemens scalance x-200
• siemens scalance x-200rna
• siemens scalance x200-4p irt
• siemens scalance x201-3p irt
• siemens scalance x202-2irt
• siemens scalance x202-2p irt
• siemens scalance x204irt
• siemens scalance xf-200
Related
Weakness · not in database (1)
References
- http://ics-cert.us-cert.gov/advisories/ICSA-13-254-01 US Government Resource
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-850708.pdf Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-850708.pdf cert-portal.siemens.com
- http://ics-cert.us-cert.gov/advisories/ICSA-13-254-01 US Government Resource
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-850708.pdf Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-850708.pdf cert-portal.siemens.com