VulnerabilityModified
CVE-2021-39363
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow a video replay attack after ARP cache poisoning has been achieved.
CRITICAL 9.8EPSS 1.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow a video replay attack after ARP cache poisoning has been achieved.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.42% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- honeywell/hdzp252di firmware · honeywell/hbw2per1 firmware
- Source
- cve@mitre.org
References
- https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/Security_Notification_SN_2022-01-26-01_CVE-2021-39363_Command_Injection_HDZP252DI.pdfVendor Advisory
- https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-noticesVendor Advisory
- https://www.honeywell.com/us/en/product-securityVendor Advisory
- https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/Security_Notification_SN_2022-01-26-01_CVE-2021-39363_Command_Injection_HDZP252DI.pdfVendor Advisory
- https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-noticesVendor Advisory
- https://www.honeywell.com/us/en/product-securityVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.