CVE-2019-19930
CVE-2019-19930 is a medium-severity vulnerability in Mz-automation Libiec61850 with a CVSS 3.x base score of 6.5. 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-190.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Mz-automation Libiec61850
- Published:
- Last modified:
Description
In libIEC61850 1.4.0, MmsValue_newOctetString in mms/iso_mms/common/mms_value.c has an integer signedness error that can lead to an attempted excessive memory allocation.
Frequently asked questions
- What is CVE-2019-19930?
- In libIEC61850 1.4.0, MmsValue_newOctetString in mms/iso_mms/common/mms_value.c has an integer signedness error that can lead to an attempted excessive memory allocation.
- How severe is CVE-2019-19930?
- CVE-2019-19930 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-19930 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-19930?
- CVE-2019-19930 affects Mz-automation Libiec61850. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-19930?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-19930 published?
- CVE-2019-19930 was published on 2019-12-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:mz-automation:libiec61850:1.4.0:*:*:*:*:*:*:*
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