What is CVE-2020-10245?

CVE-2020-10245 is a critical-severity vulnerability in Codesys Control For Beaglebone, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-03-26.

How severe is CVE-2020-10245?

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

Buffer overflow in Codesys Control For Beaglebone

CVE-2020-10245

CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.

Vulnerability class: Buffer Overflow

Published 2020-03-26 · 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 (84.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% 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

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.tenable.com/security/research/tra-2020-16 (Exploit, Third Party Advisory)
customers.codesys.com/index.php (Vendor Advisory)

Frequently asked questions

What is CVE-2020-10245?: CVE-2020-10245 is a critical-severity vulnerability in Codesys Control For Beaglebone, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-03-26.
How severe is CVE-2020-10245?: Critical severity. CVSS v3 base score is 9.8 out of 10.