CVE-2019-19944
MEDIUMCVSS 6.5/10EPSS 0.94%
Last modified
CVE-2019-19944 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.
Description
In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mz-Automation | Libiec61850 | 1.4.0 |
References
- https://github.com/mz-automation/libiec61850/issues/196Exploit, Third Party Advisory
- https://github.com/mz-automation/libiec61850/issues/196Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19944?
In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.
How severe is CVE-2019-19944?
CVE-2019-19944 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19944?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2019-19944?
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