CVE-2021-20094
First published: Wed Jun 16 2021(Updated: )
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.
Credit: vulnreport@tenable.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wibu Codemeter | <7.21a | |
| Siemens Pss Cape | ||
| Siemens Sicam 230 Firmware | ||
| Siemens Sicam 230 | ||
| Wibu-Systems AG CodeMeter Runtimea | <7.21 | 7.21 |
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Reference Links
- https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02
- https://www.tenable.com/security/research/tra-2021-24
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-210-02 (Advisory)
Frequently Asked Questions
What is CVE-2021-20094?
CVE-2021-20094 is a denial of service vulnerability in Wibu-Systems CodeMeter versions < 7.21a.
How does CVE-2021-20094 affect Wibu Codemeter?
CVE-2021-20094 affects Wibu Codemeter versions < 7.21a and can be exploited by an unauthenticated remote attacker to crash the CodeMeter Runtime Server.
Which software versions are affected by CVE-2021-20094?
Wibu-Systems CodeMeter versions < 7.21a, Siemens Pss Cape, and Siemens Sicam 230 Firmware are affected by CVE-2021-20094.
What is the severity of CVE-2021-20094?
CVE-2021-20094 has a severity rating of 7.5 (high).
How can I fix CVE-2021-20094?
An update to Wibu-Systems CodeMeter version 7.21a or later should be applied to fix CVE-2021-20094.
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- vendor/wibu
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- canonical/siemens sicam 230 firmware
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- vendor/wibu-systems ag
- canonical/wibu-systems ag codemeter runtimea