Is CVE-2020-7587 in the CISA KEV catalog?

No. CVE-2020-7587 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-7587?

CVE-2020-7587 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2020-7587?

CVE-2020-7587 has an EPSS score of 2.48% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-7587?

Upgrade opcenter execution discrete to 3.2 or later. Fixes are available for 11 affected products.

CVE & CISA-KEV Catalog

CVE-2020-7587

HIGHEPSS 83th pctl

8.2

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 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.

CWE-400Resource Exhaustion

How to fix

Remediation Available

opcenter execution discreteNVD

Affected:< 3.2Fixed in:3.2CVE-2020-7587derived from NVD

opcenter execution foundationNVD

Affected:< 3.2Fixed in:3.2CVE-2020-7587derived from NVD

opcenter execution processNVD

Affected:< 3.2Fixed in:3.2CVE-2020-7587derived from NVD

opcenter intelligenceNVD

Affected:< 3.3Fixed in:3.3CVE-2020-7587derived from NVD

opcenter qualityNVD

Affected:< 11.3Fixed in:11.3CVE-2020-7587derived from NVD

simatic it lmsNVD

Affected:< 2.6Fixed in:2.6CVE-2020-7587derived from NVD

simatic it production suiteNVD

Affected:< 8.0Fixed in:8.0CVE-2020-7587derived from NVD

simatic pcs neoNVD

Affected:< 3.0Fixed in:3.0CVE-2020-7587derived from NVD

simatic step 7NVD

Affected:>= 15, < 15.1Fixed in:15.1CVE-2020-7587derived from NVD

simocode esNVD

Affected:< 15.1Fixed in:15.1CVE-2020-7587derived from NVD

soft starter esNVD

Affected:< 15.1Fixed in:15.1CVE-2020-7587derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.48%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	Fix

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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.