CVE-2020-7580

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-10 · updated 2026-06-17
Weakness: CWE-428

Description

A vulnerability has been identified in SIMATIC Automation Tool (All versions < V4 SP2), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions), SIMATIC NET PC Software V16 (All versions < V16 Upd3), SIMATIC PCS neo (All versions < V3.0 SP1), SIMATIC ProSave (All versions < V17), SIMATIC S7-1500 Software Controller (All versions < V21.8), SIMATIC STEP 7 (TIA Portal) V13 (All versions < V13 SP2 Update 4), SIMATIC STEP 7 (TIA Portal) V14 (All versions < V14 SP1 Update 10), SIMATIC STEP 7 (TIA Portal) V15 (All versions < V15.1 Update 5), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 2), SIMATIC STEP 7 V5 (All versions < V5.6 SP2 HF3), SIMATIC WinCC OA V3.16 (All versions < V3.16 P018), SIMATIC WinCC OA V3.17 (All versions < V3.17 P003), SIMATIC WinCC Runtime Advanced (All versions < V16 Update 2), SIMATIC WinCC Runtime Professional V13 (All versions < V13 SP2 Update 4), SIMATIC WinCC Runtime Professional V14 (All versions < V14 SP1 Update 10), SIMATIC WinCC Runtime Professional V15 (All versions < V15.1 Update 5), SIMATIC WinCC Runtime Professional V16 (All versions < V16 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 14), SIMATIC WinCC V7.5 (All versions < V7.5 SP1 Update 3), SINAMICS STARTER (All Versions < V5.4 HF2), SINAMICS Startdrive (All Versions < V16 Update 3), SINEC NMS (All versions < V1.0 SP2), SINEMA Server (All versions < V14 SP3), SINUMERIK ONE virtual (All Versions < V6.14), SINUMERIK Operate (All Versions < V6.14). A common component used by the affected applications regularly calls a helper binary with SYSTEM privileges while the call path is not quoted. This could allow a local attacker to execute arbitrary code with SYTEM privileges.

Affected products

Siemens Simatic Automatic Tool: all versions
Siemens Simatic Net Pc: before 16; 16, 16-update1 — fixed in 16
Siemens SIMATIC PCS 7: all versions
Siemens SIMATIC PCS neo: all versions
Siemens SIMATIC ProSave: all versions
Siemens SIMATIC S7-1500 Software Controller: before 21.8 — fixed in 21.8
Siemens SIMATIC STEP 7 (TIA Portal): before 5.6; from 13 through 16; 5.6, 5.6-sp1, 5.6-sp2, 5.6-sp2_hotfix1 — fixed in 5.6
Siemens Simatic Wincc: before 7.4; 7.4, 7.4-sp1, 7.4-sp1_update1, 7.4-sp1_update10, 7.4-sp1_update11, 7.4-sp1_update12 (+13) — fixed in 7.4
Siemens AG SIMATIC WinCC OA V3.14 and prior: 3.16, 3.17
Siemens SIMATIC WinCC Runtime Advanced: all versions
Siemens AG SIMATIC WinCC Runtime Professional: from 13 through 16
Siemens SINAMICS Startdrive: all versions
Siemens Sinamics Starter Commissioning Tool: all versions
Siemens Sinec Network Management System: all versions
Siemens SINEMA Server V14: all versions
Siemens SINUMERIK ONE virtual: all versions
Siemens SINUMERIK Operate: all versions

How to fix

Upgrade to a fixed version: Siemens Simatic Net Pc 16; Siemens SIMATIC S7-1500 Software Controller 21.8; Siemens SIMATIC STEP 7 (TIA Portal) 5.6; Siemens Simatic Wincc 7.4. Check the vendor advisory for mitigations.

References

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