CVE-2020-6970

highpriority · track · 40EPSS 0.026 · 85 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.58% (85th) EPSS

CVSS 7.5 · high

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

A Heap-based Buffer Overflow was found in Emerson OpenEnterprise SCADA Server 2.83 (if Modbus or ROC Interfaces have been installed and are in use) and all versions of OpenEnterprise 3.1 through 3.3.3, where a specially crafted script could execute code on the OpenEnterprise Server.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationOpenEnterprisecisa_csaf_ot
Emerson recommends all users upgrade to OpenEnterprise 3.3, Service Pack 4 (3.3.4), to resolve this issue. OpenEnterprise Service Packs are available to users with access to the Emerson SupportNet system (login required). Details will be found in the downloads area.
http://www3.emersonprocess.com/remote/support/v2/login.html
MitigationOpenEnterprise 3.1 through 3.3.3cisa_csaf_ot
Emerson recommends all users upgrade to OpenEnterprise 3.3, Service Pack 4 (3.3.4), to resolve this issue. OpenEnterprise Service Packs are available to users with access to the Emerson SupportNet system (login required). Details will be found in the downloads area.
http://www3.emersonprocess.com/remote/support/v2/login.html

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-122USCWE-122US

affected products (8)

Products and version ranges known to be affected.

OpenEnterprise 3.1 through 3.3.3: all versionsall versionscisa_csaf_otUS
OpenEnterprise: Server 2.83 is affected if Modbus or ROC Interfaces have been installed and are in useall versionscisa_csaf_otUS
Emerson OpenEnterpriseall versionscisa_csaf_otUS
Emerson OpenEnterprise 3.1 through 3.3.3all versionscisa_csaf_otUS
Emerson OpenEnterprise≤ 3.1 through 3.3.3enisa_euvdEU
Emerson OpenEnterprise SCADA Server≤ 2.83 (if Modbus or ROC Interfaces have been installed and are in use)enisa_euvdEU
emerson openenterprise scada server= 2.8.3nvdUScpe:2.3:a:emerson:openenterprise_scada_server:*:*:*:*:*:*:*:*
emerson openenterprise scada server3.1 → 3.3.3nvdUScpe:2.3:a:emerson:openenterprise_scada_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-20-049-02Emerson OpenEnterprise2020-02-18icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker to execute code on an OpenEnterprise SCADA Server.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2020-02-19modified 2026-06-17

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+16123 more

references (7)

External citations — patches, advisories, analysis.

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