CVE-2019-6533

CRITICALNVD 9.19.1—

9.1

Registers used to store Modbus values can be read and written from the web interface without authentication in the PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166).

CVSS v3: 9.1
EG Score: 9.1(medium)
EPSS: 36.8%
KEV: Not listed

Published

February 12, 2019

Last Modified

November 21, 2024

References (2)

ics-cert@hqhttps://ics-cert.us-cert.gov/advisories/ICSA-19-036-05
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.us-cert.gov/advisories/ICSA-19-036-05

Weakness Classification(1)

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

CWE-306Missing Authentication for Critical Function

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 22:34 UTCEG score recompute
2026-05-27 22:34 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:47 UTCepss_batch

Frequently asked(5)

What is CVE-2019-6533?

CVE-2019-6533 is a critical vulnerability published on February 12, 2019. Registers used to store Modbus values can be read and written from the web interface without authentication in the PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166).

When was CVE-2019-6533 disclosed?

CVE-2019-6533 was first published in the National Vulnerability Database on February 12, 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-2019-6533 actively exploited?

CVE-2019-6533 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-6533?

CVE-2019-6533 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2019-6533?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-6533, 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.

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CVE-2019-6533

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-6533?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)