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HIGH

CVE-2019-5039

CVSS v3

8.8

HIGH

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An exploitable command execution vulnerability exists in the ASN1 certificate writing functionality of Openweave-core version 4.0.2. A specially crafted weave certificate can trigger a heap-based buffer overflow, resulting in code execution. An attacker can craft a weave certificate to trigger this vulnerability.

Technical details

Published
2019-08-20

Frequently asked questions

What is CVE-2019-5039?

An exploitable command execution vulnerability exists in the ASN1 certificate writing functionality of Openweave-core version 4.0.2. A specially crafted weave certificate can trigger a heap-based buffer overflow, resulting in code execution. An attacker can craft a weave certificate to trigger this vulnerability.

Is CVE-2019-5039 actively exploited?

Active exploitation of CVE-2019-5039 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-5039?

CVE-2019-5039 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-5039 affecting your environment?

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