How severe is CVE-2023-43542?

CVE-2023-43542 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-2023-43542 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43542?

CVE-2023-43542 primarily affects Qualcomm 9205 Lte Modem Firmware. In total, 209 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43542?

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-2023-43542 have an EU (EUVD) identifier?

Yes. CVE-2023-43542 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47948.

When was CVE-2023-43542 published?

CVE-2023-43542 was published on 2024-06-03 and last updated on 2026-06-17.

CVE-2023-43542

CVE-2023-43542 is a high-severity vulnerability in Qualcomm 9205 Lte 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% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-47948
Weakness: CWE-120
Affected product: Qualcomm 9205 Lte Modem Firmware
Published: 2024-06-03
Last modified: 2026-06-17

Description

Memory corruption while copying a keyblob`s material when the key material`s size is not accurately checked.

Frequently asked questions

What is CVE-2023-43542?: Memory corruption while copying a keyblob`s material when the key material`s size is not accurately checked.
How severe is CVE-2023-43542?: CVE-2023-43542 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-2023-43542 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43542?: CVE-2023-43542 primarily affects Qualcomm 9205 Lte Modem Firmware. In total, 209 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43542?: 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-2023-43542 have an EU (EUVD) identifier?: Yes. CVE-2023-43542 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47948.
When was CVE-2023-43542 published?: CVE-2023-43542 was published on 2024-06-03 and last updated on 2026-06-17.

References

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

Affected products (209)

cpe:2.3:o:qualcomm:9205_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:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_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:flight_rb5_5g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10056_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:qca6335_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6421_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6431_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6564_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6564au_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:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm 9205 Lte Modem Firmware

CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
CVE-2023-33072 — Critical (CVSS 9.3): Memory corruption in Core while processing control functions.
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-2023-43551 — Critical (CVSS 9.1): Cryptographic issue while performing attach with a LTE network, a rogue base station can skip the authentication phase…
CVE-2024-33056 — High (CVSS 8.4): Memory corruption when allocating and accessing an entry in an SMEM partition continuously.

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