CVE-2023-33099 Improper Input Validation in Multi-Mode Call Processor
A transient denial of service can occur in Qualcomm Snapdragon devices when processing non-standard SMS containers in the NR network layer.
- 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-2023-33099?
CVE-2023-33099 is a high-severity denial of service vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 1 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS while processing SMS container of non-standard size received in DL NAS transport in NR.
Weakness: CWE-20
Which versions are affected by CVE-2023-33099?
It affects 104 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware and 98 more.
How do I fix CVE-2023-33099?
No fix has been published for CVE-2023-33099 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-33099 being exploited?
There is no known exploitation of CVE-2023-33099 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-gjg5-hhr2-54wh.