CVE-2023-33017

CVE-2023-33017 is a high-severity vulnerability in Qualcomm 315 5g Iot Modem Firmware with a CVSS 3.x base score of 7.8. 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 7.8)
• EPSS exploit prediction: 0% (5th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-120
• Affected product: Qualcomm 315 5g Iot Modem Firmware
• Published: 2023-12-05
• Last modified: 2026-06-17

Description

Memory corruption in Boot while running a ListVars test in UEFI Menu during boot.

Frequently asked questions

What is CVE-2023-33017?

Memory corruption in Boot while running a ListVars test in UEFI Menu during boot.

How severe is CVE-2023-33017?

CVE-2023-33017 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-2023-33017 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33017?

CVE-2023-33017 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 277 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33017?

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.

When was CVE-2023-33017 published?

CVE-2023-33017 was published on 2023-12-05 and last updated on 2026-06-17.

References

• https://www.qualcomm.com/company/product-security/bulletins/december-2023-bulletin

Affected products (277)

• cpe:2.3:o:qualcomm:315_5g_iot_modem_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:9205_lte_modem_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:9206_lte_modem_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:9207_lte_modem_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:c-v2x_9150_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:fsm10056_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca4020_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca4024_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm8207_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9205s_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9250_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9628_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:msm8108_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:msm8209_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:msm8608_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:qca4004_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6310_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6320_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6335_firmware:-:*:*:*:*:*:*:*

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