Vulnerability Monitor

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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.

Published

2013-09-17T12:04:28.820

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 8.3 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

8.5

Weaknesses
  • Type: Primary
    CWE-189
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens scalance_x-200_series_firmware ≤ 4.4 Yes
Operating System siemens scalance_x-200_series_firmware 4.3 Yes
Hardware siemens scalance_x-200 - Yes
Hardware siemens scalance_x-200rna - Yes
Hardware siemens scalance_x200-4p_irt - Yes
Hardware siemens scalance_x201-3p_irt - Yes
Hardware siemens scalance_x201-3p_irt - Yes
Hardware siemens scalance_x202-2irt - Yes
Hardware siemens scalance_x202-2p_irt - Yes
Hardware siemens scalance_x202-2p_irt - Yes
Hardware siemens scalance_x204irt - Yes
Hardware siemens scalance_x204irt - Yes
Hardware siemens scalance_xf-200 - Yes
References