What’s Vulnerable › Vulnerabilities

CVE-2020-7585

• Severity: high (CVSS 7.8 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-427

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). A DLL Hijacking vulnerability could allow a local attacker to execute code with elevated privileges. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise the availability of the system as well as to have access to confidential information.

Affected products

• Siemens SIMATIC PCS 7: all versions
• Siemens Simatic Process Device Manager: all versions
• Siemens SIMATIC STEP 7 (TIA Portal): before 5.6; 5.6, 5.6-sp1, 5.6-sp2, 5.6-sp2_hotfix1 — fixed in 5.6
• Siemens SINAMICS STARTER: before 5.4; 5.4 — fixed in 5.4

How to fix

Upgrade to a fixed version: Siemens SIMATIC STEP 7 (TIA Portal) 5.6; Siemens SINAMICS STARTER 5.4. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05
• https://www.us-cert.gov/ics/advisories/icsa-20-161-05
• https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05
• https://www.us-cert.gov/ics/advisories/icsa-20-161-05

Get alerted when CVE-2020-7585 or the next vulnerability affects your stack