Resource exhaustion in Siemens Opcenter Execution Discrete
CVE-2020-7587
A vulnerability has been identified in Opcenter Execution Discrete (All versions < V3.2), Opcenter Execution Foundation (All versions < V3.2), Opcenter Execution Process (All versions < V3.2), Opcenter Intelligence (All versions < V3.3), Opcenter Quality (All versions < V11.3), Opcenter RD&L (V8.0), SIMATIC IT LMS (All versions < V2.6), SIMATIC IT Production Suite (All versions < V8.0), SIMATIC Notifier Server for Windows (All versions), SIMATIC PCS neo (All versions < V3.0 SP1), SIMATIC STEP 7 (TIA Portal) V15 (All versions < V15.1 Update 5), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 2), SIMOCODE ES V15.1 (All versions < V15.1 Update 4), SIMOCODE ES V16 (All versions < V16 Update 1), Soft Starter ES V15.1 (All versions < V15.1 Update 3), Soft Starter ES V16 (All versions < V16 Update 1). Sending multiple specially crafted packets to the affected service could cause a partial remote denial-of-service, that would cause the service to restart itself. On some cases the vulnerability could leak random information from the remote service.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.
EPSS exploit prediction
EPSS: 0.025 (84.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Siemens Opcenter Execution Discrete — versions All versions < V3.2
- Siemens Opcenter Execution Discrete
- Siemens Opcenter Execution Foundation — versions All versions < V3.2
- Siemens Opcenter Execution Foundation
- Siemens Opcenter Execution Process — versions All versions < V3.2
- Siemens Opcenter Execution Process
- Siemens Opcenter Intelligence — versions All versions < V3.3
- Siemens Opcenter Intelligence
- Siemens Opcenter Quality — versions All versions < V11.3
- Siemens Opcenter Quality
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cert-portal.siemens.com/productcert/pdf/ssa-841348.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-7587?
- CVE-2020-7587 is a high-severity vulnerability in Siemens Opcenter Execution Discrete, classified under Uncontrolled Resource Consumption. CVSS score: 8.2/10. Published 2020-07-14.
- How severe is CVE-2020-7587?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2020-7587 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.