How severe is CVE-2013-5709?

CVE-2013-5709 has a CVSS 2.0 base score of 8.3, rated high severity.

Is CVE-2013-5709 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5709?

CVE-2013-5709 primarily affects Siemens Scalance X-200 Series Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5709?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-5709 published?

CVE-2013-5709 was published on 2013-09-17 and last updated on 2026-06-16.

CVE-2013-5709

CVE-2013-5709 is a high-severity vulnerability in Siemens Scalance X-200 Series Firmware with a CVSS 2.0 base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: High (CVSS 2.0 base score 8.3)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Siemens Scalance X-200 Series Firmware
Published: 2013-09-17
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-5709?: CVE-2013-5709 has a CVSS 2.0 base score of 8.3, rated high severity.
Is CVE-2013-5709 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5709?: CVE-2013-5709 primarily affects Siemens Scalance X-200 Series Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5709?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-5709 published?: CVE-2013-5709 was published on 2013-09-17 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:o:siemens:scalance_x-200_series_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_x-200_series_firmware:4.3:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x-200:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x-200rna:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x200-4p_irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x201-3p_irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x201-3p_irt:-:-:pro:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x202-2irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x202-2p_irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x202-2p_irt:-:-:pro:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x204irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x204irt:-:-:pro:*:*:*:*:*
cpe:2.3:h:siemens:scalance_xf-200:-:*:*:*:*:*:*:*

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