CVE-2023-28540 Improper Authentication in Data Modem
An attacker can bypass authentication during the TLS handshake in Qualcomm Snapdragon data modems due to a cryptographic flaw.
- 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-2023-28540?
CVE-2023-28540 is a critical authentication bypass vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 3 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cryptographic issue in Data Modem due to improper authentication during TLS handshake.
Weakness: CWE-287
Which versions are affected by CVE-2023-28540?
It affects 152 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm Apq5053-Aa Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware and 146 more.
How do I fix CVE-2023-28540?
No fix has been published for CVE-2023-28540 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-2023-28540 being exploited?
There is no known exploitation of CVE-2023-28540 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2023-33107 Qualcomm Multiple Chipsets Integer Overflow
- CVE-2023-33063 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2025-27034 Improper Validation of Array Index in Multi-Mode Call Processor
- CVE-2023-22388 Use of Out-of-range Pointer Offset in Multi-mode Call Processor
- CVE-2023-28578 Improper Input Validation in Services
Sources
Also known as GHSA-fmqm-mv4m-4vh3.