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CVE-2019-6574

HIGHCVSS 7.5/10EPSS 1.85%

Last modified

CVE-2019-6574 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in SINAMICS PERFECT HARMONY GH180 with NXG I control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G21, G22, G23, G26, G28, G31, G32, G38, G43 or G46), SINAMICS PERFECT HARMONY GH180 with NXG II control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G21, G22, G23, G26, G28, G31, G32, G38, G43 or G46). An improperly configured Parameter Read/Write execution via Field bus network may cause the controller to restart. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SINAMICS PERFECT HARMONY GH180 with NXG I control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G21, G22, G23, G26, G28, G31, G32, G38, G43 or G46), SINAMICS PERFECT HARMONY GH180 with NXG II control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G21, G22, G23, G26, G28, G31, G32, G38, G43 or G46). An improperly configured Parameter Read/Write execution via Field bus network may cause the controller to restart. 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 the availability of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.85%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SiemensSinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr2 FirmwareAll versions
SiemensSinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr3 FirmwareAll versions
SiemensSinamics Perfect Harmony Gh180 With Nxg I Control Mlfb 6sr4 FirmwareAll versions
SiemensSinamics Perfect Harmony Gh180 With Nxg Ii Control Mlfb 6sr2 FirmwareAll versions
SiemensSinamics Perfect Harmony Gh180 With Nxg Ii Control Mlfb 6sr3 FirmwareAll versions
SiemensSinamics Perfect Harmony Gh180 With Nxg Ii Control Mlfb 6sr4 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-6574?
A vulnerability has been identified in SINAMICS PERFECT HARMONY GH180 with NXG I control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G21, G22, G23, G26, G28, G31, G32, G38, G43 or G46), SINAMICS PERFECT HARMONY GH180 with NXG II control, MLFBs: 6SR2...-, 6SR3...-, 6SR4...- (All Versions with option G21, G22, G23, G26, G28, G31, G32, G38, G43 or G46). An improperly configured Parameter Read/Write execution via Field bus network may cause the controller to restart. 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 the availability of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known.
How severe is CVE-2019-6574?
CVE-2019-6574 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6574?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6574?

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Source: NVD / NIST