Vulnerability record · CVE-2020-7586 · published 10 June 2020
CVE-2020-7586: Siemens simatic pcs 7 heap-based buffer overflow vulnerability
Siemens · Simatic Pcs 7
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 buffer overflow vulnerability could allow a local attacker to cause a Denial-of-Service situation. 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.
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 buffer overflow vulnerability could allow a local attacker to cause a Denial-of-Service situation. 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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf | Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05 | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-05 | Third Party AdvisoryUS Government Resource |
| https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf | Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05 | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-05 | Third Party AdvisoryUS Government Resource |
Track CVE-2020-7586 inside VULONE
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2020-7586), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.
