CVE-2021-39363
CriticalRCE
Published: 24 February 2022
Published
24 February 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0082
74.9th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-39363 is a critical-severity Command Injection (CWE-77) vulnerability in Honeywell Hdzp252Di Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 25.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-25724
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
honeywell
hdzp252di firmware
1.00.hw02.4
honeywell
hbw2per1 firmware
1.000.hw01.3
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.