Cyber Resilience

CVE-2024-21453

High

Published: 01 April 2024

Published
01 April 2024
Modified
11 August 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0012 31.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-21453 is a high-severity Improper Input Validation (CWE-20) vulnerability in Qualcomm C-V2X 9150 Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 31.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Transient DOS while decoding message of size that exceeds the available system memory.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qualcomm
c-v2x 9150 firmware
all versions
qualcomm
qcs410 firmware
all versions
qualcomm
qcs610 firmware
all versions
qualcomm
video collaboration vc1 platform firmware
all versions
qualcomm
video collaboration vc3 platform firmware
all versions
qualcomm
snapdragon auto 5g modem-rf firmware
all versions
qualcomm
snapdragon auto 4g modem firmware
all versions
qualcomm
wcd9341 firmware
all versions
qualcomm
wcd9370 firmware
all versions
qualcomm
wcn3950 firmware
all versions
+3 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References