CVE-2020-14524

highpriority · track · 40EPSS 0.025 · 85 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.51% (85th) EPSS

CVSS 7.5 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Softing Industrial Automation all versions prior to the latest build of version 4.47.0, The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationOPCcisa_csaf_ot
Softing Industrial Automation has released an update to mitigate the reported vulnerabilities. The most up-to-date release at the time of this CISA advisory can be found on the Softing Industrial Automation website.
https://data-intelligence.softing.com/products/datafeed-opc-sdks/datafeed-opc-classic-da-ae-client-server-sdk-for-windows/#tx-dftabs-tabContent2

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

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ics-cert@hq.dhs.gov USexploitability 3.9 · impact 5.9

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 (4)

Products and version ranges known to be affected.

OPC: All versions prior to the latest build of Version 4.47.0all versionscisa_csaf_otUS
Softing OPC< 4.47.0cisa_csaf_otUS
Softing Industrial Automation all versions prior to the latest build of version 4.47.0 OPCAll versions → 4.47.0enisa_euvdEU
softing opc< 4.47.0nvdUScpe:2.3:a:softing:opc:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-20-210-02Softing Industrial Automation OPC2020-07-28icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could crash the device being accessed. A buffer-overflow condition may also allow remote code execution.

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 2020-08-25modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

scry

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