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Simatic S7-300 CPU vulnerabilitiesRanked by how likely they are to be used.

Product0 versions
The short answer

Simatic S7-300 CPU is made by Siemens. We track 6 published vulnerabilities listed under that exact name, across 0 versions. None of them is on the list of flaws known to be exploited today. Siemens lists newer releases under their own names, such as Simatic S7-300 CPU Firmware, so check those pages too.

See the riskiest flaws

We keep watching the known-exploited list.

Other names

Is Simatic S7-300 CPU listed under other names? Yes.

Siemens also lists Simatic S7-300 CPU under more specific names, such as Simatic S7-300 CPU Firmware and Simatic S7-300 CPU 315-2 Dp. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.

Known exploited

Which Simatic S7-300 CPU vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Simatic S7-300 CPU's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Simatic S7-300 CPU flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 35%
    CVE-2015-2177High

    Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.

    CVSS7.8Published7 Mar 2015
  2. 2.1%
    CVE-2019-10936High

    Affected devices improperly handle large amounts of specially crafted UDP packets.

    CVSS7.5Published10 Oct 2019
  3. 1.7%
    CVE-2019-18336High

    A vulnerability has been identified in SIMATIC S7-300 CPU family (incl.

    CVSS7.5Published10 Mar 2020
  4. 1.4%
    CVE-2019-10923High

    An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.

    CVSS7.5Published10 Oct 2019
  5. 0.9%
    CVE-2022-25622High

    The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than defined.

    CVSS7.5Published12 Apr 2022
Precursor Intelligence

Running Simatic S7-300 CPU? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
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We track 6 published vulnerabilities listed under the name Simatic S7-300 CPU, across 0 versions.

None of Simatic S7-300 CPU's vulnerabilities is on the list of flaws known to be exploited today.

Siemens also lists Simatic S7-300 CPU under more specific names, such as Simatic S7-300 CPU Firmware and Simatic S7-300 CPU 315-2 Dp. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Create a Precursor Intelligence account and track Simatic S7-300 CPU. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.

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