How severe is CVE-2024-21463?

CVE-2024-21463 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-21463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21463?

CVE-2024-21463 primarily affects Qualcomm Ar8035 Firmware. In total, 109 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21463?

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-2024-21463 have an EU (EUVD) identifier?

Yes. CVE-2024-21463 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19172.

When was CVE-2024-21463 published?

CVE-2024-21463 was published on 2024-04-01 and last updated on 2026-06-17.

CVE-2024-21463

CVE-2024-21463 is a high-severity vulnerability in Qualcomm Ar8035 Firmware with a CVSS 3.x base score of 7.3. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19172
Weakness: CWE-120
Affected product: Qualcomm Ar8035 Firmware
Published: 2024-04-01
Last modified: 2026-06-17

Description

Memory corruption while processing Codec2 during v13k decoder pitch synthesis.

Frequently asked questions

What is CVE-2024-21463?: Memory corruption while processing Codec2 during v13k decoder pitch synthesis.
How severe is CVE-2024-21463?: CVE-2024-21463 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-21463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21463?: CVE-2024-21463 primarily affects Qualcomm Ar8035 Firmware. In total, 109 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21463?: 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-2024-21463 have an EU (EUVD) identifier?: Yes. CVE-2024-21463 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19172.
When was CVE-2024-21463 published?: CVE-2024-21463 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 (109)

cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6678aq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcc710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm4325_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm4490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm8550_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn6024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn6224_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn6274_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn9024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs4490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs8550_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qep8111_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qfw7114_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qfw7124_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa4150p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa4155p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Ar8035 Firmware

CVE-2025-27034 — Critical (CVSS 9.8): Memory corruption while selecting the PLMN from SOR failed list.
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CVE-2024-21473 — Critical (CVSS 9.8): Memory corruption while redirecting log file to any file location with any file name.
CVE-2023-43553 — Critical (CVSS 9.8): Memory corruption while parsing beacon/probe response frame when AP sends more supported links in MLIE.
CVE-2023-43552 — Critical (CVSS 9.8): Memory corruption while processing MBSSID beacon containing several subelement IE.
CVE-2023-28582 — Critical (CVSS 9.8): Memory corruption in Data Modem while verifying hello-verify message during the DTLS handshake.

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