CVE-2024-21454
Integer Overflow to Buffer Overflow in Automotive Telematics
Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Integer Overflow to Buffer Overflow in Automotive Telematics
Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.
- Record
CVE-2024-21454- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-680
- Updated
- 2026-11-02
EUVDEUVD-2024-19163
Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.
- Record
EUVD-2024-19163- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xmjv-mc2x-g7m6
Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.
Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.
- Record
GHSA-xmjv-mc2x-g7m6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190, CWE-680
- Updated
- 2026-11-02
NVD
Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.
- Record
CVE-2024-21454- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-680, CWE-190
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21454 is a high vulnerability (CVSS 7.5) in Qualcomm Auto 4g Modem Firmware, published April 1, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.