When was CVE-2021-39364 disclosed?

CVE-2021-39364 was first published in the National Vulnerability Database on February 24, 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-2021-39364 actively exploited?

CVE-2021-39364 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-39364?

CVE-2021-39364 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-39364?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-39364, 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.

CVE-2021-39364

HIGHNVD 7.57.5—

7.5

Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 46.2%
KEV: Not listed

References (6)

cve@mitrehttps://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/Security_Notification_SN_2022-01-26-02_CVE-2021-39364_Video_Replay_HBW2PER1.pdf
cve@mitrehttps://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-notices
cve@mitrehttps://www.honeywell.com/us/en/product-security
af854a3a-2127-422b-91ae-364da2661108https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/Security_Notification_SN_2022-01-26-02_CVE-2021-39364_Video_Replay_HBW2PER1.pdf
af854a3a-2127-422b-91ae-364da2661108https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-notices
af854a3a-2127-422b-91ae-364da2661108https://www.honeywell.com/us/en/product-security

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CVE-2021-39364

Published

Last Modified

References (6)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-39364?

CVE-2021-39364

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-39364?

Published

Last Modified

References (6)

Frequently asked(5)