What is CVE-2020-14509?

CVE-2020-14509 is a critical-severity vulnerability in Wibu Codemeter, classified under Buffer Access with Incorrect Length Value. CVSS score: 9.8/10. Published 2020-09-16.

How severe is CVE-2020-14509?

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

Vulnerability in Wibu Codemeter

CVE-2020-14509

Multiple memory corruption vulnerabilities exist in CodeMeter (All versions prior to 7.10) where the packet parser mechanism does not verify length fields. An attacker could send specially crafted packets to exploit these vulnerabilities.

Published 2020-09-16 · 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: 0.021 (81.1th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Wibu Codemeter
Codemeter — versions All versions prior to 7.10

Weakness classification (CWE)

CWE-805 — Buffer Access with Incorrect Length Value

References

us-cert.cisa.gov/ics/advisories/icsa-20-203-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2020-14509?: CVE-2020-14509 is a critical-severity vulnerability in Wibu Codemeter, classified under Buffer Access with Incorrect Length Value. CVSS score: 9.8/10. Published 2020-09-16.
How severe is CVE-2020-14509?: Critical severity. CVSS v3 base score is 9.8 out of 10.