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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.
Publish Date : 2013-09-17 Last Update Date : 2013-09-17
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- CVSS Scores & Vulnerability Types

CVSS Score
8.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 189

- Products Affected By CVE-2013-5709

# Product Type Vendor Product Version Update Edition Language
1 Hardware Siemens Scalance X-200 - Version Details Vulnerabilities
2 OS Siemens Scalance X-200 Series Firmware 4.3 Version Details Vulnerabilities
3 OS Siemens Scalance X-200 Series Firmware 4.4 Version Details Vulnerabilities
4 Hardware Siemens Scalance X-200rna - Version Details Vulnerabilities
5 Hardware Siemens Scalance X200-4p Irt - Version Details Vulnerabilities
6 Hardware Siemens Scalance X201-3p Irt - Version Details Vulnerabilities
7 Hardware Siemens Scalance X201-3p Irt - - PRO Version Details Vulnerabilities
8 Hardware Siemens Scalance X202-2irt - Version Details Vulnerabilities
9 Hardware Siemens Scalance X202-2p Irt - - PRO Version Details Vulnerabilities
10 Hardware Siemens Scalance X202-2p Irt - Version Details Vulnerabilities
11 Hardware Siemens Scalance X204irt - Version Details Vulnerabilities
12 Hardware Siemens Scalance X204irt - - PRO Version Details Vulnerabilities
13 Hardware Siemens Scalance Xf-200 - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Siemens Scalance X-200 1
Siemens Scalance X-200 Series Firmware 2
Siemens Scalance X-200rna 1
Siemens Scalance X200-4p Irt 1
Siemens Scalance X201-3p Irt 2
Siemens Scalance X202-2irt 1
Siemens Scalance X202-2p Irt 2
Siemens Scalance X204irt 2
Siemens Scalance Xf-200 1

- References For CVE-2013-5709

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-850708.pdf CONFIRM
http://ics-cert.us-cert.gov/advisories/ICSA-13-254-01

- Metasploit Modules Related To CVE-2013-5709

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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