CVE-2019-12550

CRITICALNVD 9.89.8—

9.8

WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and TELNET.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 68.2%
KEV: Not listed

Published

June 17, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://cert.vde.com/en-us/advisories/vde-2019-013
cve@mitrehttps://ics-cert.us-cert.gov/advisories/ICSA-19-164-02
cve@mitrehttps://www.wago.com/us/
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en-us/advisories/vde-2019-013
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.us-cert.gov/advisories/ICSA-19-164-02
af854a3a-2127-422b-91ae-364da2661108https://www.wago.com/us/

Weakness Classification(1)

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

CWE-798Use of Hard-coded Credentials

Data Freshness Timeline

(refreshed 9× in last 7d / 17× 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
2026-06-01 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
2026-05-27 18:18 UTCEG score recompute
2026-05-27 18:18 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 18:46 UTCOSV refresh

Frequently asked(5)

What is CVE-2019-12550?

CVE-2019-12550 is a critical vulnerability published on June 17, 2019. WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and TELNET.

When was CVE-2019-12550 disclosed?

CVE-2019-12550 was first published in the National Vulnerability Database on June 17, 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-2019-12550 actively exploited?

CVE-2019-12550 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-12550?

CVE-2019-12550 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-12550?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-12550, 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-2019-12550

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-12550?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)