CVE-2012-3016

highpriority · track · 32EPSS 0.035 · 89 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
3.46% (89th) EPSS
CVSS 7.8 · high
Is it mine?
20 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-25

Siemens SIMATIC S7-400 PN CPU devices with firmware 6 before 6.0.3 allow remote attackers to cause a denial of service (defect-mode transition and service outage) via crafted ICMP packets.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationCPU 412-2 PN (6ES7412-2EK06-0AB0)cisa_csaf_ot

    Siemens is not providing a firmware update for SIMATIC S7-400 V5 PN CPUs because this version has reached end-of-life and has been discontinued.

  • MitigationCPU 414-3 PN/DP (6ES7414-3EM06-0AB0)cisa_csaf_ot

    Siemens is not providing a firmware update for SIMATIC S7-400 V5 PN CPUs because this version has reached end-of-life and has been discontinued.

  • MitigationCPU 414F-3 PN/DP (6ES7414-3FM06-0AB0)cisa_csaf_ot

    Siemens is not providing a firmware update for SIMATIC S7-400 V5 PN CPUs because this version has reached end-of-life and has been discontinued.

  • MitigationCPU 416-3 PN/DP (6ES7416-3ES06-0AB0)cisa_csaf_ot

    Siemens is not providing a firmware update for SIMATIC S7-400 V5 PN CPUs because this version has reached end-of-life and has been discontinued.

  • MitigationCPU 416F-3 PN (6ES7416-3FS06-0AB0)cisa_csaf_ot

    Siemens is not providing a firmware update for SIMATIC S7-400 V5 PN CPUs because this version has reached end-of-life and has been discontinued.

  • MitigationS7-400 CPU familycisa_csaf_ot

    Siemens is not providing a firmware update for SIMATIC S7-400 V5 PN CPUs because this version has reached end-of-life and has been discontinued.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9
v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Csecondary · CISA US
v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (20)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-12-212-02Siemens SIMATIC S7-400 PN CPU DoS2012-05-03icsa · cisa_csaf_otUS

    This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2012-07-31modified 2026-06-16
08

references (10)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan