CVE-2023-1620

MEDIUMNVD 4.94.9—

4.9

Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.

CVSS v3: 4.9
EG Score: 4.9(medium)
EPSS: 39.8%
KEV: Not listed

Published

June 26, 2023

Last Modified

November 21, 2024

References (2)

info@certhttps://cert.vde.com/en/advisories/VDE-2023-006/
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en/advisories/VDE-2023-006/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 11× 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 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 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 22:30 UTCEG score recompute
2026-05-24 22:30 UTCGHSA enrichment
2026-05-24 17:12 UTCOSV refresh

Frequently asked(5)

What is CVE-2023-1620?

CVE-2023-1620 is a medium vulnerability published on June 26, 2023. Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.

When was CVE-2023-1620 disclosed?

CVE-2023-1620 was first published in the National Vulnerability Database on June 26, 2023, 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-2023-1620 actively exploited?

CVE-2023-1620 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-1620?

CVE-2023-1620 has a CVSS v3 base score of 4.9 (NVD).

How do I remediate CVE-2023-1620?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-1620, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-1620

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CVE-2023-1620

📅 Published

🔄 Last Modified

🔗 References (2)