Vulnerability CVE-2019-6574


Published: 2019-05-14

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.

Type:

CWE-284

(Improper Access Control)

Vendor: Siemens
Product: Sinamics perfect harmony gh180 with nxg ii control mlfb 6sr4 firmware 
Product: Sinamics perfect harmony gh180 with nxg i control mlfb 6sr2 firmware 
Product: Sinamics perfect harmony gh180 with nxg i control mlfb 6sr4 firmware 
Product: Sinamics perfect harmony gh180 with nxg ii control mlfb 6sr3 firmware 
Product: Sinamics perfect harmony gh180 with nxg i control mlfb 6sr3 firmware 
Product: Sinamics perfect harmony gh180 with nxg ii control mlfb 6sr2 firmware 

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 References:
https://cert-portal.siemens.com/productcert/pdf/ssa-865156.pdf

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