In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T16:18:45.486Z

Reserved: 2020-10-22T00:00:00

Link: CVE-2020-27632

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-10T18:15:12.797

Modified: 2024-11-21T05:21:32.823

Link: CVE-2020-27632

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.