How severe is CVE-2023-33063?

CVE-2023-33063 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33063 being actively exploited?

Yes. CVE-2023-33063 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-12-05, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-33063?

CVE-2023-33063 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 281 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33063?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-33063 have an EU (EUVD) identifier?

Yes. CVE-2023-33063 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-37252. It is also flagged as exploited in the EUVD (since 2023-12-05).

When was CVE-2023-33063 published?

CVE-2023-33063 was published on 2023-12-05 and last updated on 2026-06-17.

CVE-2023-33063

CVE-2023-33063 is a high-severity vulnerability in Qualcomm 315 5g Iot Modem Firmware with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-12-05). The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-12-05)
EU (EUVD) id: EUVD-2023-37252
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-12-05)
Weakness: CWE-416
Affected product: Qualcomm 315 5g Iot Modem Firmware
Published: 2023-12-05
Last modified: 2026-06-17

Description

Memory corruption in DSP Services during a remote call from HLOS to DSP.

Frequently asked questions

What is CVE-2023-33063?: Memory corruption in DSP Services during a remote call from HLOS to DSP.
How severe is CVE-2023-33063?: CVE-2023-33063 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-33063 being actively exploited?: Yes. CVE-2023-33063 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-12-05, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-33063?: CVE-2023-33063 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 281 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33063?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-33063 have an EU (EUVD) identifier?: Yes. CVE-2023-33063 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-37252. It is also flagged as exploited in the EUVD (since 2023-12-05).
When was CVE-2023-33063 published?: CVE-2023-33063 was published on 2023-12-05 and last updated on 2026-06-17.

References

Affected products (281)

cpe:2.3:o:qualcomm:315_5g_iot_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:c-v2x_9150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn685x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn685x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:flight_rb5_5g_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_214_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_216_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_316_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_318_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4019_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4029_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8064_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8065_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8068_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8071a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8072a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8074a_firmware:-:*:*:*:*:*:*:*

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