How severe is CVE-2022-2970?

CVE-2022-2970 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-2970 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2970?

CVE-2022-2970 affects Mz-automation Libiec61850. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2970?

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

When was CVE-2022-2970 published?

CVE-2022-2970 was published on 2022-09-23 and last updated on 2026-06-17.

CVE-2022-2970

CVE-2022-2970 is a critical-severity vulnerability in Mz-automation Libiec61850 with a CVSS 3.x base score of 10.0. 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Mz-automation Libiec61850
Published: 2022-09-23
Last modified: 2026-06-17

Description

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 or remotely execute arbitrary code.

Frequently asked questions

What is CVE-2022-2970?: 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 or remotely execute arbitrary code.
How severe is CVE-2022-2970?: CVE-2022-2970 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-2970 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2970?: CVE-2022-2970 affects Mz-automation Libiec61850. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2970?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-2970 published?: CVE-2022-2970 was published on 2022-09-23 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01

Affected products (1)

cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:*

More vulnerabilities in Mz-automation Libiec61850

CVE-2022-2972 — Critical (CVSS 10.0): MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit…
CVE-2024-45971 — Critical (CVSS 9.8): Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit…
CVE-2024-45970 — Critical (CVSS 9.8): Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit…
CVE-2018-19185 — Critical (CVSS 9.8): An issue has been found in libIEC61850 v1.3. It is a heap-based buffer overflow in BerEncoder_encodeOctetString in…
CVE-2018-18957 — Critical (CVSS 9.8): An issue has been found in libIEC61850 v1.3. It is a stack-based buffer overflow in prepareGooseBuffer in…
CVE-2018-18834 — Critical (CVSS 9.8): An issue has been found in libIEC61850 v1.3. It is a heap-based buffer overflow in BerEncoder_encodeOctetString in…

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