CVE-2021-44320
CVSS v3
7.5
HIGH
EPSS Score
0.4 %
exploit probability, as of 2026-09-29
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service (DoS) attacks. An attacker can harm the device availability (i.e., video streaming and control) by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding.
Technical details
- Published
- 2026-09-04
- Last Modified
- 2026-09-04
Frequently asked questions
What is CVE-2021-44320?
Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service (DoS) attacks. An attacker can harm the device availability (i.e., video streaming and control) by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding.
Is CVE-2021-44320 actively exploited?
Active exploitation of CVE-2021-44320 has not been confirmed. Its EPSS score was 0.4% on 2026-09-29, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-44320?
CVE-2021-44320 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-44320 affecting your environment?
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