CVE-2021-20094

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
n/a	Wibu-Systems CodeMeter	< 7.21a

References

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdfMitigation, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdfPatch, Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02Third Party Advisory, US Government Resource
https://www.tenable.com/security/research/tra-2021-24Exploit, Patch, Third Party Advisory
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdfMitigation, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdfPatch, Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02Third Party Advisory, US Government Resource
https://www.tenable.com/security/research/tra-2021-24Exploit, Patch, Third Party Advisory

Timeline

Published: Jun 16, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-200968.1Cross-site request forgery in OpenOversight 0.6.4 allows a remote attacker to perform sensitive application actions by tricking legitimate u CVE-2021-200996.7Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an au CVE-2021-20104.2Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.50 and prior, 5.7 CVE-2021-201006.7Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an au CVE-2021-201016.1Machform prior to version 16 is vulnerable to HTTP host header injection due to improperly validated host headers. This could cause a victim CVE-2021-201028.8Machform prior to version 16 is vulnerable to cross-site request forgery due to a lack of CSRF tokens in place.CVE-2021-201036.1Machform prior to version 16 is vulnerable to stored cross-site scripting due to insufficient sanitization of file attachments uploaded with CVE-2021-201048.1Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments upl CVE-2021-201056.1Machform prior to version 16 is vulnerable to an open redirect in Safari_init.php due to an improperly sanitized 'ref' parameter.CVE-2021-201066.5Nessus Agent versions 8.2.5 and earlier were found to contain a privilege escalation vulnerability which could allow a Nessus administrator CVE-2021-201075.4There exists an unauthenticated BLE Interface in Sloan SmartFaucets including Optima EAF, Optima ETF/EBF, BASYS EFX, and Flushometers includ CVE-2021-201087.5Manage Engine Asset Explorer Agent 1.0.34 listens on port 9000 for incoming commands over HTTPS from Manage Engine Server. The HTTPS certifi