CVE-2020-10283

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The Micro Air Vehicle Link (MAVLink) protocol presents authentication mechanisms on its version 2.0 however according to its documentation, in order to maintain backwards compatibility, GCS and autopilot negotiate the version via the AUTOPILOT_VERSION message. Since this negotiation depends on the answer, an attacker may craft packages in a way that hints the autopilot to adopt version 1.0 of MAVLink for the communication. Given the lack of authentication capabilities in such version of MAVLink (refer to CVE-2020-10282), attackers may use this method to bypass authentication capabilities and interact with the autopilot directly.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
70.8%
KEV
Not listed

Published

August 20, 2020

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jul 6, 2026
No patch confirmed yet.
generic

RVD#3316: No authentication in MAVLink protocol · Issue #3316 · aliasrobotics/RVD · GitHub

https://github.com/aliasrobotics/RVD/issues/3316

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-16 16:59 UTCEPSS rescore
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  3. 2026-07-15 16:55 UTCEPSS rescore
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  19. 2026-07-01 13:21 UTCOSV refresh
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  1. 2026-06-28 04:54 UTCEPSS rescore
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  26. 2026-06-13 22:58 UTCEPSS rescore
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  28. 2026-06-13 20:43 UTCOSV refresh
  29. 2026-06-12 23:09 UTCEPSS rescore
  30. 2026-06-11 13:58 UTCEPSS rescore
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  49. 2026-05-31 22:29 UTCEPSS rescore
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  53. 2026-05-29 13:42 UTCEPSS rescore
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  57. 2026-05-27 13:39 UTCEPSS rescore
  58. 2026-05-27 00:02 UTCEG score recompute
  59. 2026-05-27 00:02 UTCGHSA enrichment
  60. 2026-05-26 13:42 UTCEPSS rescore
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  62. 2026-05-26 07:17 UTCEPSS rescore
  63. 2026-05-26 07:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-10283?
CVE-2020-10283 is a critical vulnerability published on August 20, 2020. The Micro Air Vehicle Link (MAVLink) protocol presents authentication mechanisms on its version 2.0 however according to its documentation, in order to maintain backwards compatibility, GCS and autopilot negotiate the version via the AUTOPILOT_VERSION message. Since this negotiation depends on the…
When was CVE-2020-10283 disclosed?
CVE-2020-10283 was first published in the National Vulnerability Database on August 20, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-10283 actively exploited?
CVE-2020-10283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-10283?
CVE-2020-10283 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-10283?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-10283, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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