CVE-2021-42852

HIGHNVD 8.08.0—

8.0

A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an authenticated user to execute operating system commands by sending a crafted packet to the device.

CVSS v3: 8.0
EG Score: 8.0(medium)
EPSS: 23.9%
KEV: Not listed

Published

May 18, 2022

Last Modified

November 21, 2024

References (2)

psirt@lenovohttps://iknow.lenovo.com.cn/detail/dc_200017.html
af854a3a-2127-422b-91ae-364da2661108https://iknow.lenovo.com.cn/detail/dc_200017.html

Weakness Classification(1)

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

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 11× 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-2021-42852?

CVE-2021-42852 is a high vulnerability published on May 18, 2022. A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an authenticated user to execute operating system commands by sending a crafted packet to the device.

When was CVE-2021-42852 disclosed?

CVE-2021-42852 was first published in the National Vulnerability Database on May 18, 2022, 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-2021-42852 actively exploited?

CVE-2021-42852 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-42852?

CVE-2021-42852 has a CVSS v3 base score of 8.0 (NVD).

How do I remediate CVE-2021-42852?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-42852, 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-2021-42852

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-42852?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

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