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.
References (4)
Core 4
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://www.tenable.com/security/research/tra-2021-24
Mitigation, Vendor Advisory x_refsource_misc
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf
Patch, Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02
Scores
CVSS v3
9.1
EPSS
0.0820
EPSS Percentile
92.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (16)
siemens/pss_cape
siemens/sicam_230_firmware
siemens/simatic_information_server
2019 sp1
siemens/simatic_information_server
2020
siemens/simatic_pcs_neo
< 3.1
siemens/simatic_process_historian
2020
siemens/simatic_process_historian
2019 - 2020
siemens/simatic_wincc_oa
3.17
siemens/simatic_wincc_oa
3.18
siemens/simit_simulation_platform
10.3
... and 6 more
Published
Jun 16, 2021
Tracked Since
Feb 18, 2026