How severe is CVE-2019-6578?

CVE-2019-6578 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-2019-6578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6578?

CVE-2019-6578 primarily affects Siemens Sinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr2 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6578?

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-2019-6578 published?

CVE-2019-6578 was published on 2019-05-14 and last updated on 2026-06-17.

CVE-2019-6578

CVE-2019-6578 is a high-severity vulnerability in Siemens Sinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr2 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Siemens Sinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr2 Firmware
Published: 2019-05-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINAMICS PERFECT HARMONY GH180 with NXG I control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G28), SINAMICS PERFECT HARMONY GH180 with NXG II control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G28). A denial of service vulnerability exists in the affected products. The vulnerability could be exploited by an attacker with network access to the device. Successful exploitation requires no privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known.

Frequently asked questions

What is CVE-2019-6578?: A vulnerability has been identified in SINAMICS PERFECT HARMONY GH180 with NXG I control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G28), SINAMICS PERFECT HARMONY GH180 with NXG II control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G28). A denial of service vulnerability exists in the affected products. The vulnerability could be exploited by an attacker with network access to the device. Successful exploitation requires no privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known.
How severe is CVE-2019-6578?: CVE-2019-6578 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-2019-6578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6578?: CVE-2019-6578 primarily affects Siemens Sinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr2 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6578?: 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-2019-6578 published?: CVE-2019-6578 was published on 2019-05-14 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:siemens:sinamics_perfect_harmony_gh180_with_nxg_i_control_mlfb_6sr2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_perfect_harmony_gh180_with_nxg_i_control_mlfb_6sr3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_perfect_harmony_gh180_with_nxg_i_control_mlfb_6sr4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_perfect_harmony_gh180_with_nxg_ii_control_mlfb_6sr2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_perfect_harmony_gh180_with_nxg_ii_control_mlfb_6sr3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:sinamics_perfect_harmony_gh180_with_nxg_ii_control_mlfb_6sr4_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Sinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr2 Firmware

CVE-2019-6574 — High (CVSS 7.5): A vulnerability has been identified in SINAMICS PERFECT HARMONY GH180 with NXG I control, MLFBs: 6SR2...-, 6SR3...-,…

All CVEs affecting Siemens Sinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr2 Firmware →

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…

Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →