Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wibu | Codemeter | < 7.21a |
| Siemens | Pss Cape | - |
| Siemens | Sicam 230 Firmware | - |
| Siemens | Sicam 230 | - |
Related Weaknesses (CWE)
References
- https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-MitigationVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdfPatchThird Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02Third Party AdvisoryUS Government Resource
- https://www.tenable.com/security/research/tra-2021-24ExploitPatchThird Party Advisory
- https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-MitigationVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdfPatchThird Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02Third Party AdvisoryUS Government Resource
- https://www.tenable.com/security/research/tra-2021-24ExploitPatchThird Party Advisory
FAQ
What is CVE-2021-20094?
CVE-2021-20094 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2021-20094?
CVE-2021-20094 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20094?
Check the references section above for vendor advisories and patch information. Affected products include: Wibu Codemeter, Siemens Pss Cape, Siemens Sicam 230 Firmware, Siemens Sicam 230.