What is CVE-2020-14524?

CVE-2020-14524 is a critical-severity vulnerability in Softing Opc, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-08-25.

How severe is CVE-2020-14524?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Softing Opc

CVE-2020-14524

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.

Vulnerability class: Buffer Overflow

Published 2020-08-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (84.8th percentile), scored 2026-10-31.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Softing Opc
Softing Industrial Automation All Versions Prior To The Latest Build Of Version 4.47.0 Opc — versions All versions

Weakness classification (CWE)

References

us-cert.cisa.gov/ics/advisories/icsa-20-210-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2020-14524?: CVE-2020-14524 is a critical-severity vulnerability in Softing Opc, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-08-25.
How severe is CVE-2020-14524?: Critical severity. CVSS v3 base score is 9.8 out of 10.