Vulnerability Details CVE-2013-5709
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.019
EPSS Ranking 82.3%
CVSS Severity
CVSS v2 Score 8.3
References
- http://ics-cert.us-cert.gov/advisories/ICSA-13-254-01
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-850708.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-850708.pdf
- http://ics-cert.us-cert.gov/advisories/ICSA-13-254-01
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-850708.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-850708.pdf
Products affected by CVE-2013-5709
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cpe:2.3:h:siemens:scalance_x-200:-
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cpe:2.3:h:siemens:scalance_x-200rna:-
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cpe:2.3:h:siemens:scalance_x200-4p_irt:-
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cpe:2.3:h:siemens:scalance_x201-3p_irt:-
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cpe:2.3:h:siemens:scalance_x202-2irt:-
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cpe:2.3:h:siemens:scalance_x202-2p_irt:-
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cpe:2.3:h:siemens:scalance_x204irt:-
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cpe:2.3:h:siemens:scalance_xf-200:-
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cpe:2.3:o:siemens:scalance_x-200_series_firmware:4.3
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cpe:2.3:o:siemens:scalance_x-200_series_firmware:4.4