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cve[email protected]CVE-2021-20093
HistoryJun 16, 2021 - 12:15 p.m.

CVE-2021-20093

2021-06-1612:15:12
CWE-125
web.nvd.nist.gov
60
6
buffer over-read
vulnerability
wibu-systems
codemeter
nvd
cve-2021-20093

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

9.1 High

AI Score

Confidence

High

0.097 Low

EPSS

Percentile

94.8%

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 configurations

NVD
Node
wibucodemeterRangeโ‰ค7.21a
Node
siemenspss_capeMatch-
Node
siemenssicam_230Match-
AND
siemenssicam_230_firmware
Node
siemenssimatic_information_serverMatch2019sp1
OR
siemenssimatic_information_serverMatch2020-
OR
siemenssimatic_pcs_neoRange<3.1
OR
siemenssimatic_wincc_oaMatch3.17-
OR
siemenssimatic_wincc_oaMatch3.18-
OR
siemenssimit_simulation_platformRange10.0โ€“10.3
OR
siemenssimit_simulation_platformMatch10.3-
OR
siemenssinec_infrastructure_network_servicesRange<1.0.1.1
OR
siemenssinec_infrastructure_network_servicesMatch1.0.1-
OR
siemenssinema_remote_connect_serverRange<3.0
OR
siemenssinema_remote_connect_serverMatch3.0-
OR
siemenssinema_remote_connect_serverMatch3.0sp1
OR
siemenssimatic_process_historianRange2019โ€“2020
OR
siemenssimatic_process_historianMatch2020-
CPENameOperatorVersion
wibu:codemeterwibu codemeterle7.21a

CNA Affected

[
  {
    "product": "Wibu-Systems CodeMeter",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "< 7.21a"
      }
    ]
  }
]

Social References

More

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

9.1 High

AI Score

Confidence

High

0.097 Low

EPSS

Percentile

94.8%

Related for CVE-2021-20093