CVE-2019-6557

CRITICALNVD 9.89.8—

9.8

Several buffer overflow vulnerabilities have been identified in Moxa IKS and EDS, which may allow remote code execution.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 91.5%
KEV: Not listed

Published

March 5, 2019

Last Modified

November 21, 2024

References (4)

ics-cert@hqhttp://www.securityfocus.com/bid/107178
ics-cert@hqhttps://ics-cert.us-cert.gov/advisories/ICSA-19-057-01
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/107178
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.us-cert.gov/advisories/ICSA-19-057-01

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 22:07 UTCEG score recompute
2026-05-27 22:07 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-24 16:47 UTCepss_batch

Frequently asked(5)

What is CVE-2019-6557?

CVE-2019-6557 is a critical vulnerability published on March 5, 2019. Several buffer overflow vulnerabilities have been identified in Moxa IKS and EDS, which may allow remote code execution.

When was CVE-2019-6557 disclosed?

CVE-2019-6557 was first published in the National Vulnerability Database on March 5, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-6557 actively exploited?

CVE-2019-6557 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-6557?

CVE-2019-6557 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-6557?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-6557, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-6557

📅 Published

🔄 Last Modified

🔗 References (4)