CVE-2023-43572

MEDIUMNVD 4.44.4—

4.4

A buffer over-read was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to disclose sensitive information.

CVSS v3: 4.4
EG Score: 4.4(medium)
EPSS: 10.9%
KEV: Not listed

Published

November 8, 2023

Last Modified

November 21, 2024

References (2)

psirt@lenovohttps://support.lenovo.com/us/en/product_security/LEN-141775
af854a3a-2127-422b-91ae-364da2661108https://support.lenovo.com/us/en/product_security/LEN-141775

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× 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.

2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-28 13:44 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 14:15 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-43572?

CVE-2023-43572 is a medium vulnerability published on November 8, 2023. A buffer over-read was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to disclose sensitive information.

When was CVE-2023-43572 disclosed?

CVE-2023-43572 was first published in the National Vulnerability Database on November 8, 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-2023-43572 actively exploited?

CVE-2023-43572 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43572?

CVE-2023-43572 has a CVSS v3 base score of 4.4 (NVD).

How do I remediate CVE-2023-43572?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43572, 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-2023-43572

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-43572?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)