What is CVE-2023-43551?

CVE-2023-43551 is a critical-severity vulnerability in Qualcomm 205_mobile, classified under Improper Authentication. CVSS score: 9.1/10. Published 2024-06-03.

How severe is CVE-2023-43551?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Qualcomm 205_mobile

CVE-2023-43551

Cryptographic issue while performing attach with a LTE network, a rogue base station can skip the authentication phase and immediately send the Security Mode Command.

Vulnerability class: Broken Authentication

EPSS: 0.003 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Qualcomm 205_mobile
Qualcomm 205_mobile_firmware
Qualcomm 215_mobile
Qualcomm 215_mobile_firmware
Qualcomm 315_5g_iot_modem
Qualcomm 315_5g_iot_modem_firmware
Qualcomm 9205_lte_modem
Qualcomm 9205_lte_modem_firmware
Qualcomm 9206_lte_modem
Qualcomm 9206_lte_modem_firmware

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-43551?: CVE-2023-43551 is a critical-severity vulnerability in Qualcomm 205_mobile, classified under Improper Authentication. CVSS score: 9.1/10. Published 2024-06-03.
How severe is CVE-2023-43551?: Critical severity. CVSS v3 base score is 9.1 out of 10.