Simatic S7-1200 CPU 1211c Firmware vulnerabilitiesRanked by how likely they are to be used.

Product5 versions
The short answer

Simatic S7-1200 CPU 1211c Firmware is made by Siemens. We track 16 published vulnerabilities in it, across 5 versions. None of them is on the list of flaws known to be exploited today. If you run Simatic S7-1200 CPU 1211c Firmware, keep it on a version the vendor still supports.

See the riskiest flaws

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Known exploited

Which Simatic S7-1200 CPU 1211c Firmware vulnerabilities are being exploited?

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

None of Simatic S7-1200 CPU 1211c Firmware's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Simatic S7-1200 CPU 1211c Firmware 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. 64%

    An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client.

    CVSS5.9Published25 Mar 2021
  2. 2.6%

    Cross-site scripting (XSS) vulnerability in the web server on Siemens SIMATIC S7-1200 PLCs 2.x through 3.0.1 allows remote attackers to inject arbitrary web script or HTML via a crafted URI.

    CVSS4.3Published10 Oct 2012
  3. 2.4%

    Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to TCP port 102 (aka the ISO-TSAP port).

    CVSS7.8Published22 Apr 2013
  4. 2.4%

    Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to UDP port 161 (aka the SNMP port).

    CVSS7.8Published22 Apr 2013
  5. 2.2%

    A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl.

    CVSS7.5Published9 Feb 2022
  6. 2.1%

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

    CVSS7.5Published10 Oct 2019
  7. 2.1%

    A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl.

    CVSS7.5Published9 Feb 2022
  8. 1.6%

    A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl.

    CVSS7.5Published9 Feb 2022
  9. 1.5%

    The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the private key of the SIMATIC CONTROLLER Certification Authority certificate, which allows remote attackers to spoof the S7-1200 web server by using this...

    CVSS4.3Published25 Sep 2012
  10. 1.0%

    A vulnerability has been identified in SIMATIC CP 1626 (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl.

    CVSS5.9Published13 Aug 2019
Precursor Intelligence

Running Simatic S7-1200 CPU 1211c Firmware? We'll keep checking.

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We track 16 published vulnerabilities listed under the name Simatic S7-1200 CPU 1211c Firmware, across 5 versions.

None of Simatic S7-1200 CPU 1211c Firmware's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Simatic S7-1200 CPU 1211c Firmware. 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.