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CVE-2016-9159

A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and…

Medium5.9EPSS 1.5%
Published
Updated
Reserved
Assigned by
siemens

Description

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.

Scores

CVSS scores of CVE-2016-9159, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Modified3.1Medium5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
1.5% · top 25% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.

Weakness

Affected products

  • Siemens AG · SIMATIC S7-300 CPU family

    • affected All versions
  • Siemens AG · SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)

    • affected All versions
  • Siemens AG · SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)

    • affected All versions
  • Siemens AG · SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)

    • affected All versions
  • Siemens AG · SIMATIC S7-400 V6 and earlier CPU family

    • affected All versions
  • Siemens AG · SIMATIC S7-400 V7 CPU family

    • affected All versions
  • Siemens AG · SIMATIC S7-410 V8 CPU family

    • affected All versions
  • Siemens AG · SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)

    • affected All versions

References (5)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .