CVE-2021-20094

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.02% Top 15%
Vendor Advisory wibu.com
Affected: n/a Wibu-Systems CodeMeter
Published at:
Updated at:

References

Link Tags
https://www.tenable.com/security/research/tra-2021-24 exploit third party advisory patch
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf mitigation vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf third party advisory patch
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-20094?
CVE-2021-20094 has been scored as a high severity vulnerability.
How to fix CVE-2021-20094?
To fix CVE-2021-20094, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20094 being actively exploited in the wild?
It is possible that CVE-2021-20094 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20094?
CVE-2021-20094 affects n/a Wibu-Systems CodeMeter.
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