What is CVE-2021-46896?

CVE-2021-46896 is a high-severity vulnerability in Dronecode Px4_drone_autopilot, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-07-06.

How severe is CVE-2021-46896?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-46896 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Dronecode Px4_drone_autopilot

CVE-2021-46896

Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (47.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Dronecode Px4_drone_autopilot
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2021-46896?: CVE-2021-46896 is a high-severity vulnerability in Dronecode Px4_drone_autopilot, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-07-06.
How severe is CVE-2021-46896?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-46896 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.