CVE-2020-22001

CRITICALNVD 9.89.8—

9.8

HomeAutomation 3.3.2 suffers from an authentication bypass vulnerability when spoofing client IP address using the X-Forwarded-For header with the local (loopback) IP address value allowing remote control of the smart home solution.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 83.4%
KEV: Not listed

Published

April 27, 2021

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://cwe.mitre.org/data/definitions/290.html
cve@mitrehttps://www.exploit-db.com/exploits/47807
cve@mitrehttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5557.php
af854a3a-2127-422b-91ae-364da2661108https://cwe.mitre.org/data/definitions/290.html
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/47807
af854a3a-2127-422b-91ae-364da2661108https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5557.php

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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.

2026-05-27 13:39 UTCepss_batch
2026-05-26 17:24 UTCEG score recompute
2026-05-26 17:23 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 06:07 UTCOSV refresh
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-22001?

CVE-2020-22001 is a critical vulnerability published on April 27, 2021. HomeAutomation 3.3.2 suffers from an authentication bypass vulnerability when spoofing client IP address using the X-Forwarded-For header with the local (loopback) IP address value allowing remote control of the smart home solution.

When was CVE-2020-22001 disclosed?

CVE-2020-22001 was first published in the National Vulnerability Database on April 27, 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-2020-22001 actively exploited?

CVE-2020-22001 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-22001?

CVE-2020-22001 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-22001?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-22001, 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-2020-22001

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CVE-2020-22001

📅 Published

🔄 Last Modified

🔗 References (6)