CVE-2021-46896
CVE-2021-46896 is a high-severity vulnerability in Dronecode Px4 Drone Autopilot with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-120
- Affected product: Dronecode Px4 Drone Autopilot
- Published:
- Last modified:
Description
Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.
Frequently asked questions
- What is CVE-2021-46896?
- Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.
- How severe is CVE-2021-46896?
- CVE-2021-46896 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-46896 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-46896?
- CVE-2021-46896 affects Dronecode Px4 Drone Autopilot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-46896?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-46896 published?
- CVE-2021-46896 was published on 2023-07-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:dronecode:px4_drone_autopilot:-:*:*:*:*:*:*:*
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