CVE-2020-15473

CRITICALNVD 9.19.1—

9.1

In nDPI through 3.2, the OpenVPN dissector is vulnerable to a heap-based buffer over-read in ndpi_search_openvpn in lib/protocols/openvpn.c.

CVSS v3: 9.1
EG Score: 9.1(medium)
EPSS: 63.2%
KEV: Not listed

Published

July 1, 2020

Last Modified

January 26, 2026

References (3)

cve@mitrehttps://github.com/fuzzing2026/CVE-PoCs/tree/main/ndpi-CVE-2020-15473
cve@mitrehttps://github.com/ntop/nDPI/commit/8e7b1ea7a136cc4e4aa9880072ec2d69900a825e
af854a3a-2127-422b-91ae-364da2661108https://github.com/ntop/nDPI/commit/8e7b1ea7a136cc4e4aa9880072ec2d69900a825e

Weakness Classification(1)

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

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 14× 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.

2026-06-05 22:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
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 00:15 UTCepss_batch
2026-05-31 00:15 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 13:39 UTCepss_batch
2026-05-27 01:44 UTCEG score recompute
2026-05-27 01:44 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2020-15473?

CVE-2020-15473 is a critical vulnerability published on July 1, 2020. In nDPI through 3.2, the OpenVPN dissector is vulnerable to a heap-based buffer over-read in ndpisearchopenvpn in lib/protocols/openvpn.c.

When was CVE-2020-15473 disclosed?

CVE-2020-15473 was first published in the National Vulnerability Database on July 1, 2020, with the most recent update on January 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-15473 actively exploited?

CVE-2020-15473 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-15473?

CVE-2020-15473 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2020-15473?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15473, 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-2020-15473

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Is Your Infrastructure Affected by CVE-2020-15473?

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Frequently asked(5)

What is CVE-2020-15473?

When was CVE-2020-15473 disclosed?

Is CVE-2020-15473 actively exploited?

What is the CVSS score of CVE-2020-15473?

CVE-2020-15473 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2020-15473?

CVE-2020-15473

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-15473?

CVE-2020-15473

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-15473?

🔗 Related CVEs(same CWE)

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Published

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References (3)

Frequently asked(5)

Published

Last Modified

References (3)

Frequently asked(5)

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