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Vulnerability record · CVE-2020-16233 · published 16 September 2020

CVE-2020-16233: Wibu codemeter improper resource shutdown vulnerability

Wibu · Codemeter

An attacker could send a specially crafted packet that could have CodeMeter (All versions prior to 7.10) send back packets containing data from the heap.

7.5 CVSS 3.1 High EPSS 1.8% · top 21.8% CWE-404 · Improper resource shutdown
7.5CVSS 3.1 base score, v2 5.0
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An attacker could send a specially crafted packet that could have CodeMeter (All versions prior to 7.10) send back packets containing data from the heap.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://us-cert.cisa.gov/ics/advisories/icsa-20-203-01 Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-203-01 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-14509Wibu codemeter vulnerabilityMultiple memory corruption vulnerabilities exist in CodeMeter (All versions prior to 7.10) where the packet parser mechanism does not verify length f…EPSS 2.1%9.8CVE-2020-14517Wibu codemeter inadequate encryption strength vulnerabilityProtocol encryption can be easily broken for CodeMeter (All versions prior to 6.90 are affected, including Version 6.90 or newer only if CodeMeter Ru…EPSS 0.68%9.1CVE-2021-20093Wibu codemeter out-of-bounds read vulnerabilityA buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disc…EPSS 33%7.5CVE-2021-20094Wibu codemeter out-of-bounds read vulnerabilityA denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to cra…EPSS 4.7%7.5CVE-2020-14513Wibu codemeter improper input validation vulnerabilityCodeMeter (All versions prior to 6.81) and the software using it may crash while processing a specifically crafted license file due to unverified len…EPSS 1.6%7.5CVE-2020-14515Wibu codemeter improper verification of cryptographic signature vulnerabilityCodeMeter (All versions prior to 6.90 when using CmActLicense update files with CmActLicense Firm Code) has an issue in the license-file signature ch…EPSS 0.84%7.5CVE-2020-14519Wibu codemeter origin validation error vulnerabilityThis vulnerability allows an attacker to use the internal WebSockets API for CodeMeter (All versions prior to 7.00 are affected, including Version 7.…EPSS 0.64%5.4CVE-2017-13754Wibu codemeter cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the "advanced settings - time server" module in Wibu-Systems CodeMeter before 6.50b allows remote attacke…EPSS 3.9%

Source: NIST National Vulnerability Database (record CVE-2020-16233), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.