Vulnerability Details : CVE-2021-20094
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.
Vulnerability category: Denial of service
Products affected by CVE-2021-20094
- cpe:2.3:a:siemens:pss_cape:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sicam_230_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:a:wibu:codemeter:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20094
1.46%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20094
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-20094
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20094
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02
Wibu-Systems CodeMeter Runtime | CISAThird Party Advisory;US Government Resource
-
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
Patch;Third Party Advisory
-
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf
Mitigation;Vendor Advisory
-
https://www.tenable.com/security/research/tra-2021-24
Multiple Vulnerabilities in Wibu-Systems CodeMeter - Research Advisory | Tenable®Exploit;Patch;Third Party Advisory
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