Security readout for executives and security teams
Plain-English summary
This is a denial-of-service risk in ArduPilot Copter SmartAudio handling. A local attacker could crash or disrupt affected software, which matters for operational availability but is not described as remote code execution or data theft.
Executive priority
Handle as a moderate operational availability issue. It deserves inventory and vendor-tracking now, especially for safety-sensitive deployments, but the provided evidence does not support emergency treatment for internet-wide exploitation.
Technical view
CVE-2024-51395 is reported as a CWE-121 stack buffer overflow in AP_SmartAudio::loop, AP_SmartAudio, and AP_SmartAudio.cpp in a referenced ArduPilot Copter commit. CVSS 3.1 is 6.2 with local attack vector and high availability impact only.
Likely exposure
Exposure appears limited to systems running the referenced ArduPilot Copter code path, but the CVE lists affected vendor, product, and versions as n/a. Treat fleets using ArduPilot Copter with SmartAudio-related functionality as candidates for review until vendor details clarify scope.
Exploitation context
The CVSS vector describes local, low-complexity, no-privilege, no-user-interaction exploitation causing high availability impact. The CVE is not in KEV, and the provided sources do not state active exploitation or public weaponized exploit availability.
Researcher notes
The public record is thin: affected product fields are n/a, and the main technical reference is a GitHub issue. Avoid broad product claims until maintainers clarify impacted branches, releases, and whether a patch exists.
Mitigation direction
- Check ArduPilot issue and CVE records for maintainer guidance or fixed releases.
- Inventory ArduPilot Copter builds and identify use of the referenced commit or SmartAudio code.
- Limit local access to systems running affected autopilot software where operationally feasible.
- Disable SmartAudio-related functionality only if supported and operationally acceptable.
- Prioritize update testing once an official fix or release note is available.
Validation and detection
- Confirm whether deployed builds include AP_SmartAudio.cpp from the referenced vulnerable commit.
- Review configuration and hardware integrations for SmartAudio usage.
- Monitor crash, reboot, or watchdog events on candidate systems.
- Track the ArduPilot issue for scope clarification and remediation status.
- Validate mitigations in a non-production flight or bench environment first.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-51395 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H2.53.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.2MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ArduPilot/ardupilot/issues/28374CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.