CVE-2024-11166

Resolution-advisory denial via forged ground-station request

Published Jan 22, 2025 · Updated Feb 12, 2025

External configuration control in TCAS II Collision Avoidance Systems 7.1 allows physically proximate attackers to disable resolution advisories. A forged ground-station Comm-A Identity Request sets Sensitivity Level Control to its lowest setting, which disables the Resolution Advisory function. The attack requires a transponder using MOPS earlier than RTCA DO-181F and specific lab-demonstrated conditions, and it interrupts collision-avoidance guidance rather than the entire aircraft system.

CVSS severity7.1
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

External configuration control in TCAS II Collision Avoidance Systems 7.1 allows physically proximate attackers to disable resolution advisories. A forged ground-station Comm-A Identity Request sets Sensitivity Level Control to its lowest setting, which disables the Resolution Advisory function. The attack requires a transponder using MOPS earlier than RTCA DO-181F and specific lab-demonstrated conditions, and it interrupts collision-avoidance guidance rather than the entire aircraft system.

The record

CVE
CVE-2024-11166
Published
Jan 22, 2025
Updated
Feb 12, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-15, T0814
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 22, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.1ICS-CERTCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-15External Control of System or Configuration Setting
T0814Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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