How severe is CVE-2019-1010300?

CVE-2019-1010300 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-1010300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1010300?

CVE-2019-1010300 primarily affects Mz-automation Libiec61850. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-1010300?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-1010300 published?

CVE-2019-1010300 was published on 2019-07-15 and last updated on 2026-06-17.

CVE-2019-1010300

CVE-2019-1010300 is a high-severity vulnerability in Mz-automation Libiec61850 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Mz-automation Libiec61850
Published: 2019-07-15
Last modified: 2026-06-17

Description

mz-automation libiec61850 1.3.2 1.3.1 1.3.0 is affected by: Buffer Overflow. The impact is: Software crash. The component is: server_example_complex_array. The attack vector is: Send a specific MMS protocol packet.

Frequently asked questions

What is CVE-2019-1010300?: mz-automation libiec61850 1.3.2 1.3.1 1.3.0 is affected by: Buffer Overflow. The impact is: Software crash. The component is: server_example_complex_array. The attack vector is: Send a specific MMS protocol packet.
How severe is CVE-2019-1010300?: CVE-2019-1010300 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-1010300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1010300?: CVE-2019-1010300 primarily affects Mz-automation Libiec61850. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-1010300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-1010300 published?: CVE-2019-1010300 was published on 2019-07-15 and last updated on 2026-06-17.

References

https://github.com/mz-automation/libiec61850/issues/127

Affected products (3)

cpe:2.3:a:mz-automation:libiec61850:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mz-automation:libiec61850:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:mz-automation:libiec61850:1.3.2:*:*:*:*:*:*:*

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