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Fencer Vulns
medium 6.7

CVE-2020-7581 json

A vulnerability has been identified in Opcenter Execution Discrete (All versions < V3.2), Opcenter Execution Foundation (All versions < V3.…

published 2020-07-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28706

cvss
6.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

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 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). A component within the affected application calls a helper binary with SYSTEM privileges during startup while the call path is not quoted. This could allow a local attacker with administrative privileges to execute code with SYSTEM level privileges.

Patch / fix

  • siemens opcenter_execution_discrete 3.2
  • siemens opcenter_execution_foundation 3.2
  • siemens opcenter_execution_process 3.2
  • siemens opcenter_quality 11.3
  • siemens simatic_step_7 16

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-196-05 updated cvss 6.7

Siemens UMC Stack (Update H)

  • Siemens Opcenter Execution Discrete <V3.2 Siemens Opcenter Execution Foundation <V3.2 Siemens Opcenter Execution Process <V3.2
    affected: fixed in V3.2, mitigation support.sw.siemens.com
  • Siemens Opcenter Intelligence <V3.3
    affected: fixed in V3.3, mitigation support.sw.siemens.com
  • Siemens Opcenter Quality <V11.3
    affected: fixed in V11.3, mitigation support.sw.siemens.com
  • Siemens Opcenter RD&L V8.0
    affected: fixed in V8.1, mitigation support.sw.siemens.com
  • Siemens SIMATIC Notifier Server for Windows
    affected: mitigation, no fix planned
  • Siemens SIMATIC PCS neo <V3.0_SP1
    affected: fixed in V3.0, mitigation
  • Siemens SIMATIC STEP 7 (TIA Portal) V15 <V15.1_Update_5
    affected: fixed in V15.1, mitigation support.industry.siemens.com
  • Siemens SIMATIC STEP 7 (TIA Portal) V16 <V16_Update_2
    affected: fixed in V16, mitigation support.industry.siemens.com
show 4 more

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Siemens Opcenter Execution Discrete
  • Siemens Opcenter Execution Foundation
  • Siemens Opcenter Execution Process
  • Siemens Opcenter Intelligence
  • Siemens Opcenter Quality
  • Siemens Opcenter RD&L
  • Siemens SIMATIC Notifier Server for Windows
  • Siemens SIMATIC PCS neo
  • Siemens SIMATIC STEP 7 (TIA Portal) V15
  • Siemens SIMATIC STEP 7 (TIA Portal) V16
  • Siemens SIMOCODE ES V15.1
  • Siemens SIMOCODE ES V16
  • Siemens Soft Starter ES V15.1
  • Siemens Soft Starter ES V16

Classification

Weakness
  • CWE-428 Unquoted Search Path or Element

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.