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CVSSv2

CVE-2021-37172

Published: 10/08/2021 Updated: 01/07/2022
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
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Vulnerability Summary

A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (V4.5.0). Affected devices fail to authenticate against configured passwords when provisioned using TIA Portal V13. This could allow an attacker using TIA Portal V13 or later versions to bypass authentication and download arbitrary programs to the PLC. The vulnerability does not occur when TIA Portal V13 SP1 or any later version was used to provision the device.

Vulnerability Trend

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siemens simatic_s7-1200_cpu_firmware 4.5.0

siemens simatic step 7 \\(tia portal\\)

References

CWE-287https://cert-portal.siemens.com/productcert/pdf/ssa-830194.pdfhttps://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-49333CVE-2024-33901CVE-2024-36001CVE-2024-2835firewallXPath injectionauthentication bypassCVE-2024-22120CVE-2024-32002
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