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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 0 LOW 2

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Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

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Weakness (CWE) CWE-20 Improper Input Validation 1

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Vendor: Snap7 Project × Clear all filters

TI-2020-14352 CVE-2020-22552 · GHSA-c87p-2q2j-cwwp

The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with…

Priority LOW 36

The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var function, the Snap7 server will be crashed.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01473 · Published 2020-10-28 · No fix listed

TI-2017-14546 CVE-2017-1000230 · GHSA-58r9-jqc4-jgp3

The Snap7 Server version 1.4.1 can be crashed when the ItemCount field of the ReadVar or…

Priority LOW 35

The Snap7 Server version 1.4.1 can be crashed when the ItemCount field of the ReadVar or WriteVar functions of the S7 protocol implementation in Snap7 are provided with unexpected input, thus resulting in denial of servi…

CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.01029 · Published 2017-11-17 · No fix listed CWE-20

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