CVE-2020-7586
A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC PDM (All versions), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF1). 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.
EPSS 0.15% · 35.6th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| siemens | simatic_pcs_7 | |
| Siemens | SIMATIC STEP 7 V5.X | All versions < V5.6 SP2 HF3 |
| siemens | simatic_process_device_manager | |
| siemens | simatic_step_7 | 5.6, 0, 5.6 |
| Siemens | SIMATIC PDM | All versions < V9.2 |
| siemens | sinamics_starter | 0, 5.4 |
| Siemens | SIMATIC PCS 7 V8.2 and earlier | All versions |
| Siemens | SIMATIC PCS 7 V9.0 | All versions < V9.0 SP3 |
| Siemens | SINAMICS STARTER (containing STEP 7 OEM version) | All versions < V5.4 HF2 |
Exploit Intelligence
Timeline
- Jun 9, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-817401.pdf advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-312271.pdf advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf advisory
- https://www.us-cert.gov/ics/advisories/icsa-20-161-05 url
- https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05 url
- https://nvd.nist.gov/vuln/detail/CVE-2020-7586 advisory