VYPR
Critical severity9.1NVD Advisory· Published Jun 16, 2021· Updated Jun 17, 2026

CVE-2021-20093

CVE-2021-20093

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

19
  • cpe:2.3:a:siemens:pss_cape:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_information_server:2019:sp1:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:siemens:simatic_information_server:2019:sp1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_information_server:2020:-:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_pcs_neo:*:*:*:*:*:*:*:*
    Range: <3.1
  • cpe:2.3:a:siemens:simatic_wincc_oa:3.17:-:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:siemens:simatic_wincc_oa:3.17:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc_oa:3.18:-:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simit_simulation_platform:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:siemens:simit_simulation_platform:*:*:*:*:*:*:*:*range: >=10.0,<10.3
    • cpe:2.3:a:siemens:simit_simulation_platform:10.3:-:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*range: <1.0.1.1
    • cpe:2.3:a:siemens:sinec_infrastructure_network_services:1.0.1:-:*:*:*:*:*:*
  • cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*range: <3.0
    • cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:sp1:*:*:*:*:*:*
  • cpe:2.3:a:wibu:codemeter:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:wibu:codemeter:*:*:*:*:*:*:*:*range: <=7.21a
    • (no CPE)
  • cpe:2.3:h:siemens:simatic_process_historian:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:siemens:simatic_process_historian:*:*:*:*:*:*:*:*range: >=2019,<2020
    • cpe:2.3:h:siemens:simatic_process_historian:2020:-:*:*:*:*:*:*
  • cpe:2.3:o:siemens:sicam_230_firmware:*:*:*:*:*:*:*:*
  • Range: <7.21a

Patches

Vulnerability mechanics

References

4

News mentions

0

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