CVE-2024-11166

Traffic Alert and Collision Avoidance System (TCAS) II has an External Control of System or Configuration Setting vulnerability

Published Jan 22, 2025 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
For TCAS II systems using transponders compliant with MOPS earlier than RTCA DO-181F, an attacker can impersonate a ground station and issue a Comm-A Identity Request. This action can set the Sensitivity Level Control (SLC) to the lowest setting and disable the Resolution Advisory (RA), leading to a denial-of-service condition.

Analysis

No analysis available yet

Remediation

Vendor Workaround

After consulting with the Federal Aviation Administration (FAA) and the researchers regarding these vulnerabilities, it has been concluded that CVE-2024-11166 can be fully mitigated by upgrading to ACAS X or by upgrading the associated transponder to comply with RTCA DO-181F. Currently, there is no mitigation available for CWE-2024-9310. These vulnerabilities in the TCAS II standard are exploitable in a lab environment. However, they require very specific conditions to be met and are unlikely to be exploited outside of a lab setting. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. These vulnerabilities are not exploitable remotely. These vulnerabilities have a high attack complexity.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-34390 For TCAS II systems using transponders compliant with MOPS earlier than RTCA DO-181F, an attacker can impersonate a ground station and issue a Comm-A Identity Request. This action can set the Sensitivity Level Control (SLC) to the lowest setting and disable the Resolution Advisory (RA), leading to a denial-of-service condition.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description For TCAS II systems using transponders compliant with MOPS earlier than RTCA DO-181F, an attacker can impersonate a ground station and issue a Comm-A Identity Request. This action can set the Sensitivity Level Control (SLC) to the lowest setting and disable the Resolution Advisory (RA), leading to a denial-of-service condition.
Title Traffic Alert and Collision Avoidance System (TCAS) II has an External Control of System or Configuration Setting vulnerability
Weaknesses CWE-15
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses
  • CWE-15

    External Control of System or Configuration Setting

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Feb 12, 2025, 5:08 PM
Reserved
Nov 12, 2024, 9:01 PM
Status
Deferred
Published
Jan 22, 2025, 7:15 PM
Modified
Jun 17, 2026, 6:57 AM