Is CVE-2020-7581 in the CISA KEV catalog?

No. CVE-2020-7581 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-7581?

CVE-2020-7581 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2020-7581?

CVE-2020-7581 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-7581?

Upgrade opcenter execution discrete to 3.2 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2020-7581

MEDIUM

6.7

CVSS v3

NVD

Description

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.

CWE-428

How to fix

Remediation Available

opcenter execution discreteNVD

Affected:< 3.2Fixed in:3.2CVE-2020-7581derived from NVD

opcenter execution foundationNVD

Affected:< 3.2Fixed in:3.2CVE-2020-7581derived from NVD

opcenter execution processNVD

Affected:< 3.2Fixed in:3.2CVE-2020-7581derived from NVD

opcenter qualityNVD

Affected:< 11.3Fixed in:11.3CVE-2020-7581derived from NVD

simatic step 7NVD

Affected:< 16Fixed in:16CVE-2020-7581derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.