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CVE-2021-20093 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf | CVE | MitigationVendor Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf | CVE | PatchThird Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 | CVE | Third Party AdvisoryUS Government Resource |
| https://www.tenable.com/security/research/tra-2021-24 | CVE | ExploitPatchThird Party Advisory |
| https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf | [email protected] | MitigationVendor Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf | [email protected] | PatchThird Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 | [email protected] | Third Party AdvisoryUS Government Resource |
| https://www.tenable.com/security/research/tra-2021-24 | [email protected] | ExploitPatchThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| wibu codemeter | <= 7.21a |
CPE
Remediation
| |
| siemens pss cape | All versions |
CPE
Remediation
| |
| siemens sicam 230 firmware | All versions |
CPE
Remediation
| |
| siemens sicam 230 | All versions |
CPE
Remediation
| |
| siemens simatic information server | 2019 sp1 2020 - |
CPE
Remediation
| |
| siemens simatic pcs neo | < 3.1 |
CPE
Remediation
| |
| siemens simatic wincc oa | 3.17 - 3.18 - |
CPE
Remediation
| |
| siemens simit simulation platform | >= 10.0, < 10.3 10.3 - |
CPE
Remediation
| |
| siemens sinec infrastructure network services | < 1.0.1.1 1.0.1 - |
CPE
Remediation
| |
| siemens sinema remote connect server | < 3.0 3.0 - 3.0 sp1 |
CPE
Remediation
| |
| siemens simatic process historian | >= 2019, < 2020 2020 - |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Oct 6, 2022 | Modified Analysis | [email protected] |
| Aug 5, 2021 | CVE Modified | [email protected] |
| Jul 13, 2021 | CVE Modified | [email protected] |
| Jun 22, 2021 | Initial Analysis | [email protected] |