CVE-2020-15472

CRITICALNVD 9.19.1—

9.1

In nDPI through 3.2, the H.323 dissector is vulnerable to a heap-based buffer over-read in ndpi_search_h323 in lib/protocols/h323.c, as demonstrated by a payload packet length that is too short.

CVSS v3: 9.1
EG Score: 9.1(medium)
EPSS: 70.3%
KEV: Not listed

Published

July 1, 2020

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/ntop/nDPI/commit/b7e666e465f138ae48ab81976726e67deed12701
cve@mitrehttps://lists.debian.org/debian-lts-announce/2022/08/msg00016.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/ntop/nDPI/commit/b7e666e465f138ae48ab81976726e67deed12701
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/08/msg00016.html

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
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2026-06-05 06:08 UTCepss_batch
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2026-06-04 13:10 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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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-2020-15472?

CVE-2020-15472 is a critical vulnerability published on July 1, 2020. In nDPI through 3.2, the H.323 dissector is vulnerable to a heap-based buffer over-read in ndpisearchh323 in lib/protocols/h323.c, as demonstrated by a payload packet length that is too short.

When was CVE-2020-15472 disclosed?

CVE-2020-15472 was first published in the National Vulnerability Database on July 1, 2020, 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-2020-15472 actively exploited?

CVE-2020-15472 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-15472?

CVE-2020-15472 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2020-15472?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15472, 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-2020-15472

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-15472?

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Published

Last Modified

References (4)

Frequently asked(5)

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