CVEvulnerability
CVE-2020-7586
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-06-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-122, CWE-787
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.
Affected configurations
• siemens simatic pcs 7
• siemens simatic process device manager
• siemens simatic step 7 (< 5.6)
• siemens simatic step 7 5.6
• siemens sinamics starter (< 5.4)
• siemens sinamics starter 5.4
Related
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05 us-cert.cisa.gov
- https://www.us-cert.gov/ics/advisories/icsa-20-161-05 Third Party Advisory, US 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 us-cert.cisa.gov
- https://www.us-cert.gov/ics/advisories/icsa-20-161-05 Third Party Advisory, US Government Resource