How severe is CVE-2013-3634?

CVE-2013-3634 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-3634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-3634?

CVE-2013-3634 primarily affects Siemens Scalance X200irt Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-3634?

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-2013-3634 published?

CVE-2013-3634 was published on 2013-05-24 and last updated on 2026-06-16.

CVE-2013-3634

CVE-2013-3634 is a high-severity vulnerability in Siemens Scalance X200irt Firmware with a CVSS 2.0 base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Siemens Scalance X200irt Firmware
Published: 2013-05-24
Last modified: 2026-06-16

Description

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (Versions < V5.0.0 for CVE-2013-3633 and versions < V4.5.0 for CVE-2013-3634), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.1.0). The implementation of SNMPv3 does not check the user credentials sufficiently. Therefore, an attacker is able to execute SNMP commands without correct credentials.

Frequently asked questions

What is CVE-2013-3634?: A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (Versions < V5.0.0 for CVE-2013-3633 and versions < V4.5.0 for CVE-2013-3634), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.1.0). The implementation of SNMPv3 does not check the user credentials sufficiently. Therefore, an attacker is able to execute SNMP commands without correct credentials.
How severe is CVE-2013-3634?: CVE-2013-3634 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-3634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-3634?: CVE-2013-3634 primarily affects Siemens Scalance X200irt Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-3634?: 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-2013-3634 published?: CVE-2013-3634 was published on 2013-05-24 and last updated on 2026-06-16.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-170686.pdf

Affected products (10)

cpe:2.3:o:siemens:scalance_x200irt_firmware:*:*:*:*:*:*:*:*
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_xf204irt:-:*:*:*:*:*:*:*

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