CVE-2023-43551 Improper Authentication in Multi-Mode Call Processor
A rogue base station can bypass LTE authentication by skipping the authentication phase and sending a Security Mode Command directly.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-43551?
CVE-2023-43551 is a critical authentication bypass vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 3 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2023-43551?
It affects 241 products.
Products include Qualcomm 205 Mobile Firmware, Qualcomm 215 Mobile Firmware, Qualcomm 315 5g Iot Modem Firmware, Qualcomm 9205 Lte Modem Firmware, Qualcomm 9206 Lte Modem Firmware, Qualcomm 9207 Lte Modem Firmware and 235 more.
How do I fix CVE-2023-43551?
No fix has been published for CVE-2023-43551 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-43551 being exploited?
There is no known exploitation of CVE-2023-43551 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
Sources
Also known as GHSA-4h56-hghf-36cj.