Summary
WIBU Systems published information about two vulnerabilities and an associated fix release version of CodeMeter Runtime, a product provided by WIBU Systems and used in several Siemens products for license management.
The vulnerabilities are described in the section "Vulnerability Classification" below and got assigned the CVE IDs CVE-2021-20093 and CVE-2021-20094. Successful exploitation of these vulnerabilities could allow an attacker to read data from the heap of the CodeMeter Runtime network server, or crash the CodeMeter Runtime Server (i.e., CodeMeter.exe).
Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
Vulnerabilities 2
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Unscored —CVE-2021-20093 EPSS 33%
A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker …
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Unscored —
A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker…
Revision history
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#4
Added solution for SINEC INS
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#3
For PSS(R)CAPE, SICAM 230, SIMIT: Added information that the latest version of CodeMeter (V7.30a) can also be used
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#2
Added solution for SIMATIC PCS neo, SIMATIC Information Server, SIMATIC Process Historian, SIMIT Simulation Platform, and SINEMA Remote Connect Server
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#1
Publication Date
References
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SSA-675303: WIBU Systems CodeMeter Runtime Vulnerabilities in Siemens Products - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
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SSA-675303: WIBU Systems CodeMeter Runtime Vulnerabilities in Siemens Products - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-675303.txt