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MZ Automation

Records65All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical9CVSS 9.0–10.0
CVSS high37CVSS 7.0–8.9

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MZ Automation records in CISA KEV

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65 records

TI-2022-05561 CVE-2022-21159 · GHSA-wc26-f4h3-2vxx

Infinite loop in MZ Automation libiec61850

Priority HIGH 72

A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01825 Published 2022-04-15 No fix listed CWE-835
TI-2026-45011 CVE-2026-63033 · GHSA-gqw6-mwcf-3xwh

MZ Automation lib60870 Out-of-bounds Read

Priority HIGH 70

A crafted IEC 60870-5-104 I-frame with a declared object count exceeding what fits in the ASDU body causes InformationObject_ParseObjectAddress to read one byte past the end of the heap-allocated message buffer.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00458 Published 2026-07-30 Fixed in 2.4.1 CWE-125
TI-2026-44285 CVE-2026-61893 · GHSA-gfjj-vr9m-mw6f

MZ Automation lib60870 Out-of-bounds Read

Priority HIGH 70

A crafted IEC 60870-5-104 I-frame with TypeID 104 (C_TS_NA_1) and an inflated object count causes TestCommand_getFromBuffer to read one byte past the end of the heap-allocated message buffer.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00458 Published 2026-07-30 Fixed in 2.4.1 CWE-125
Priority MEDIUM 63

libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session.

CVSS 3.1MEDIUM 5.3 Network No auth No interaction EPSS 0.00451 Published 2026-10-16 Fixed in 1.6.2 CWE-590
Priority MEDIUM 63

libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session.

CVSS 3.1MEDIUM 5.3 Network No auth No interaction EPSS 0.00401 Published 2026-10-16 Fixed in 1.6.2 CWE-415
TI-2023-09169 CVE-2023-23205 · GHSA-h39h-j46r-8q5h

An issue was discovered in lib60870 v2.3.2.

Priority MEDIUM 58

An issue was discovered in lib60870 v2.3.2.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00241 Published 2023-02-24 No fix listed CWE-401
Priority MEDIUM 55

A vulnerability has been found in MZ Automation libiec61850 up to 1.6.1.

CVSS 4.0MEDIUM 4.8 Local Low privileges No interaction EPSS 0.00172 Published 2026-08-08 No fix listed CWE-119
Priority MEDIUM 52

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) is vulnerable to a stack-based buffer overflow, which could allow an attacker to crash the device…

CVSS 3.1CRITICAL 10.0 Network No auth No interaction EPSS 0.01564 Published 2022-09-23 Fixed in Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e CWE-121
Priority MEDIUM 52

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) does not sanitize input before memcpy is used, which could allow an attacker to crash the device…

CVSS 3.1CRITICAL 10.0 Network No auth No interaction EPSS 0.01465 Published 2022-09-23 Fixed in Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e CWE-121
Priority MEDIUM 50

Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit 1f52be9ddeae00e69cd43e4cac3cb4f0c880c4f0 allow a malicious server to cause a stack-based buffer overflow via the MMS IdentifyResponse…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00615 Published 2024-11-15 No fix listed CWE-120
Priority MEDIUM 50

Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit ac925fae8e281ac6defcd630e9dd756264e9c5bc allow a malicious server to cause a stack-based buffer overflow via the MMS FileDirResponse…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00615 Published 2024-11-15 No fix listed CWE-120
Priority MEDIUM 46

In libIEC61850 before version 1.4.3, when a message with COTP message length field with value < 4 is received an integer underflow will happen leading to heap buffer overflow.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.02036 Published 2020-08-26 Fixed in 1.4.3 CWE-119
Priority MEDIUM 45

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) uses a NULL pointer in certain situations.

CVSS 3.1HIGH 8.6 Network No auth No interaction EPSS 0.01083 Published 2022-09-23 Fixed in Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e CWE-476
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