How severe is CVE-2023-33049?

CVE-2023-33049 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-2023-33049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33049?

CVE-2023-33049 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 101 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33049?

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-2023-33049 have an EU (EUVD) identifier?

Yes. CVE-2023-33049 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-37238.

When was CVE-2023-33049 published?

CVE-2023-33049 was published on 2024-02-06 and last updated on 2026-06-17.

CVE-2023-33049

CVE-2023-33049 is a high-severity vulnerability in Qualcomm 315 5g Iot Modem 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-401.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-37238
Weakness: CWE-401
Affected product: Qualcomm 315 5g Iot Modem Firmware
Published: 2024-02-06
Last modified: 2026-06-17

Description

Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.

Frequently asked questions

What is CVE-2023-33049?: Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.
How severe is CVE-2023-33049?: CVE-2023-33049 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-2023-33049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33049?: CVE-2023-33049 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 101 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33049?: 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-2023-33049 have an EU (EUVD) identifier?: Yes. CVE-2023-33049 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-37238.
When was CVE-2023-33049 published?: CVE-2023-33049 was published on 2024-02-06 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin

Affected products (101)

cpe:2.3:o:qualcomm:315_5g_iot_modem_firmware:-:*:*:*:*:*:*:*
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_6800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6421_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6431_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6698aq_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:qcm4490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm6490_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:qcs6490_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:video_collaboration_vc3_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd865_5g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd888_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdx57m_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm 315 5g Iot Modem Firmware

CVE-2025-27034 — Critical (CVSS 9.8): Memory corruption while selecting the PLMN from SOR failed list.
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-2023-33072 — Critical (CVSS 9.3): Memory corruption in Core while processing control functions.
CVE-2023-33030 — Critical (CVSS 9.3): Memory corruption in HLOS while running playready use-case.
CVE-2022-33288 — Critical (CVSS 9.3): Memory corruption due to buffer copy without checking the size of input in Core while sending SCM command to get write…

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