CVE-2016-9159

mediumpriority · track · 25EPSS 0.015 · 75 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.54% (75th) EPSS

CVSS 4.3 · medium

Is it mine?

10 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-22

A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions), SIMATIC S7-410 V8 CPU family (All versions), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions). An attacker with network access to port 102/tcp (ISO-TSAP) or via Profibus could obtain credentials from the PLC if protection-level 2 is configured on the affected devices.

cvss

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

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondaryexploitability 2.2 · impact 3.6

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

affected products (10)

Products and version ranges known to be affected.

Siemens AG SIMATIC S7-300 CPU family≤ All versionsenisa_euvdEU
Siemens AG SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)≤ All versionsenisa_euvdEU
Siemens AG SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)≤ All versionsenisa_euvdEU
Siemens AG SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)≤ All versionsenisa_euvdEU
Siemens AG SIMATIC S7-400 V6 and earlier CPU family≤ All versionsenisa_euvdEU
Siemens AG SIMATIC S7-400 V7 CPU family≤ All versionsenisa_euvdEU
Siemens AG SIMATIC S7-410 V8 CPU family≤ All versionsenisa_euvdEU
Siemens AG SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)≤ All versionsenisa_euvdEU
siemens simatic s7-300 cpu firmwareall versionsnvdUScpe:2.3:o:siemens:simatic_s7-300_cpu_firmware:*:*:*:*:*:*:*:*
siemens simatic s7-400 cpu firmwareall versionsnvdUScpe:2.3:o:siemens:simatic_s7-400_cpu_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2016-12-17modified 2026-06-17

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+19262 more

references (17)

External citations — patches, advisories, analysis.

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