Vulnerability · Published Jun 16, 2021 · Assigned by tenable
CVE-2021-20093
Critical 9.1
In plain English
A critical-severity security flaw in Wibu-Systems CodeMeter. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 33.3% (higher than 98% of all known vulnerabilities).
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)33.3%top 1.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Wibu-Systems CodeMeter | < 7.21a |
References
- https://www.tenable.com/security/research/tra-2021-24 x_refsource_MISC
- https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf x_refsource_MISC
- https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf x_refsource_CONFIRM
- https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 x_refsource_MISC