How severe is CVE-2024-21454?

CVE-2024-21454 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-21454 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21454?

CVE-2024-21454 primarily affects Qualcomm C-v2x 9150 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21454?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-21454 have an EU (EUVD) identifier?

Yes. CVE-2024-21454 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19163.

When was CVE-2024-21454 published?

CVE-2024-21454 was published on 2024-04-01 and last updated on 2026-06-17.

CVE-2024-21454

CVE-2024-21454 is a high-severity vulnerability in Qualcomm C-v2x 9150 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19163
Weakness: CWE-190
Affected product: Qualcomm C-v2x 9150 Firmware
Published: 2024-04-01
Last modified: 2026-06-17

Description

Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.

Frequently asked questions

What is CVE-2024-21454?: Transient DOS while decoding the ToBeSignedMessage in Automotive Telematics.
How severe is CVE-2024-21454?: CVE-2024-21454 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-21454 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21454?: CVE-2024-21454 primarily affects Qualcomm C-v2x 9150 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21454?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-21454 have an EU (EUVD) identifier?: Yes. CVE-2024-21454 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19163.
When was CVE-2024-21454 published?: CVE-2024-21454 was published on 2024-04-01 and last updated on 2026-06-17.

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2024-bulletin.html

Affected products (3)

cpe:2.3:o:qualcomm:c-v2x_9150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:auto_5g_modem-rf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:auto_4g_modem_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm C-v2x 9150 Firmware

CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
CVE-2023-28578 — Critical (CVSS 9.3): Memory corruption in Core Services while executing the command for removing a single event listener.
CVE-2023-33032 — Critical (CVSS 9.3): Memory corruption in TZ Secure OS while requesting a memory allocation from TA region.
CVE-2023-33030 — Critical (CVSS 9.3): Memory corruption in HLOS while running playready use-case.
CVE-2022-33231 — Critical (CVSS 9.3): Memory corruption due to double free in core while initializing the encryption key.
CVE-2023-43551 — Critical (CVSS 9.1): Cryptographic issue while performing attach with a LTE network, a rogue base station can skip the authentication phase…

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