CVE-2023-43551

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2024-06-03 10:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 06:25 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 9.1 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2024-06-03 10:15 UTC

Last modified

2026-06-17 06:25 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Analyzed

Affected

• Qualcomm 315 5g Iot Modem Firmware
• Qualcomm 9205 Lte Modem Firmware
• Qualcomm 9206 Lte Modem Firmware
• Qualcomm 9207 Lte Modem Firmware
• Qualcomm apq8017 Firmware
• Qualcomm apq8037 Firmware
• Qualcomm aqt1000 Firmware
• Qualcomm ar6003 Firmware

Attack profile CVSS 3.1 · 9.1

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-43551.md and follow it. Check whether this project is affected by CVE-2023-43551. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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