CVE-2024-46921 Denial of service in n/a
Attackers can cause battery drain and denial of service on Samsung Exynos devices by exploiting unlimited RRC setup attempts in 5G SA mode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-46921?
CVE-2024-46921 is a medium-severity denial of service vulnerability in Samsung Exynos 1080 Firmware, published on 13 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in Samsung Mobile Processor and Modem Exynos 9820, 9825, 980, 990, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W1000, Modem 5123, Modem 5300, Modem 5400. UE does not limit the number of attempts for the RRC Setup procedure in the 5G SA, leading to a denial of service (battery-drain attack).
Weakness: CWE-770
Which versions are affected by CVE-2024-46921?
It affects 17 products.
Products include Samsung Exynos 1080 Firmware, Samsung Exynos 1280 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 Firmware, Samsung Exynos 2100 Firmware and 11 more.
How do I fix CVE-2024-46921?
No fix has been published for CVE-2024-46921 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-2024-46921 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-46921 exists.
Other vulnerabilities in Samsung Exynos 1080 Firmware
Sources
Also known as GHSA-3h9m-973q-pwqx.