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[email protected]NVD:CVE-2021-45769

HistoryJan 14, 2022 - 8:15 p.m.

CVE-2021-45769

2022-01-1420:15:15

CWE-476

[email protected]

web.nvd.nist.gov

null pointer dereference

libiec61850

segmentation fault

application crash

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

40.6%

JSON

A NULL pointer dereference in AcseConnection_parseMessage at src/mms/iso_acse/acse.c of libiec61850 v1.5.0 can lead to a segmentation fault or application crash.

Affected configurations

Nvd

Node

mz-automationlibiec61850Match1.5.0

VendorProductVersionCPE
mz-automationlibiec618501.5.0cpe:2.3:a:mz-automation:libiec61850:1.5.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mz-automation	libiec61850	1.5.0	cpe:2.3:a:mz-automation:libiec61850:1.5.0:::::::*

References

github.com/mz-automation/libiec61850/issues/368

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

40.6%

JSON

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