CVE-2020-18900

LOWNVD 3.33.3—Elevated

3.3

A heap-based buffer overflow in the libexe_io_handle_read_coff_optional_header function of libyal libexe before 20181128. NOTE: the vendor has disputed this as described in libyal/libexe issue 1 on GitHub

CVSS v3: 3.3
EG Score: 3.3(medium)
EPSS: 17.1%
KEV: Not listed

Published

August 19, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/libyal/libexe/issues/1
af854a3a-2127-422b-91ae-364da2661108https://github.com/libyal/libexe/issues/1

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 16× 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.

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Frequently asked(5)

What is CVE-2020-18900?

CVE-2020-18900 is a low vulnerability published on August 19, 2021. A heap-based buffer overflow in the libexeiohandlereadcoffoptionalheader function of libyal libexe before 20181128. NOTE: the vendor has disputed this as described in libyal/libexe issue 1 on GitHub

When was CVE-2020-18900 disclosed?

CVE-2020-18900 was first published in the National Vulnerability Database on August 19, 2021, 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-2020-18900 actively exploited?

CVE-2020-18900 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-18900?

CVE-2020-18900 has a CVSS v3 base score of 3.3 (NVD).

How do I remediate CVE-2020-18900?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-18900, 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-2020-18900

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-18900?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)