Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Pcs 7 | All versions |
| Siemens | Simatic Process Device Manager | All versions |
| Siemens | Simatic Step 7 | < 5.6 |
| Siemens | Sinamics Starter | < 5.4 |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdfVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05
- https://www.us-cert.gov/ics/advisories/icsa-20-161-05Third Party AdvisoryUS Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdfVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05
- https://www.us-cert.gov/ics/advisories/icsa-20-161-05Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2020-7586?
CVE-2020-7586 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2020-7586?
CVE-2020-7586 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-7586?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Pcs 7, Siemens Simatic Process Device Manager, Siemens Simatic Step 7, Siemens Sinamics Starter.