How severe is CVE-2019-6568?

CVE-2019-6568 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-6568 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6568?

CVE-2019-6568 primarily affects Siemens Cp1604 Firmware. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6568?

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-2019-6568 published?

CVE-2019-6568 was published on 2019-04-17 and last updated on 2026-06-17.

CVE-2019-6568

CVE-2019-6568 is a high-severity vulnerability in Siemens Cp1604 Firmware with a CVSS 3.x 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Siemens Cp1604 Firmware
Published: 2019-04-17
Last modified: 2026-06-17

Description

The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the webserver of the affected device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device.

Frequently asked questions

What is CVE-2019-6568?: The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the webserver of the affected device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device.
How severe is CVE-2019-6568?: CVE-2019-6568 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-6568 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6568?: CVE-2019-6568 primarily affects Siemens Cp1604 Firmware. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6568?: 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-2019-6568 published?: CVE-2019-6568 was published on 2019-04-17 and last updated on 2026-06-17.

References

Affected products (78)

cpe:2.3:o:siemens:cp1604_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:cp1616_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_rf185c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp343-1_advanced_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp443-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp443-1_advanced_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_et_200_sp_open_controller_cpu_1515sp_pc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_et_200_sp_open_controller_cpu_1515sp_pc2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_firmware:15.1:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:15.1:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:15.1:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:15.1:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:15.1:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:15.1:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:15.1:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_cp443-1_opc_ua:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_ipc_diagmonitor:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_s7-1500_software_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:2.0:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:2.0:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update2:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update3:*:*:*:*:*:*
cpe:2.3:a:siemens:sitop_manager:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_rf600r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_rf188c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_rf186c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_rf182c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_rf181-eip_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_firmware:*:*:*:*:*:*:*:*

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