# What is CVE-2023-49928? > CVE-2023-49928 is a high-severity flaw (CVSS 7.5) in Exynos 9820 Firmware from Samsung, published on 5 June 2024. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 0.4%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.edgeprotect.io/what-is/cve-2023-49928 ## At a glance - **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle. - **EdgeProtect risk score:** 47 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes. - **Severity:** High (CVSS 7.5 out of 10) - **Known to be exploited:** No, not on the list of flaws known to be exploited today - **Chance of use in the next 30 days:** 0.4% (latest exploit-likelihood forecast) - **Published:** 5 June 2024 - **Record last updated:** 17 June 2026 - **Main product:** Exynos 9820 Firmware from Samsung - **Affected products:** 13 ## What is CVE-2023-49928? In plain terms It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read data. ### The official description An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos Modem 5123, Exynos Modem 5300. The baseband software does not properly check states specified by the RRC. This can lead to disclosure of sensitive information. ### What kind of flaw is it? - Unknown: Unknown ### How an attack on it works - Where an attacker can be: Anywhere on the internet - How hard it is to pull off: Easy: no special conditions - Login needed first: No login needed - Does someone have to click: No, nobody has to do anything - What an attacker gets: Can read data Severity vector: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` ## Is CVE-2023-49928 being exploited? Not that we know of It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.4%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.4%, 0.4%, 0.4%, 0.4%, 0.4%, 0.4%, 0.4%. ### Timeline - 5 June 2024: Published - 17 June 2026: Record last updated ### How EdgeProtect ranks it CVE-2023-49928 scores **47 out of 100 (Medium)**, with the action "Plan remediation". Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less: - Evidence it is being exploited: biggest factor - How severe it is: strong factor - How widely exposed it is: key context - Real threat activity around it: key context 85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it. ## Who is affected by CVE-2023-49928? The published record lists 13 products. - [Exynos 9820 Firmware](https://www.edgeprotect.io/product/samsung/exynos_9820_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 1080 Firmware](https://www.edgeprotect.io/product/samsung/exynos_1080_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 1280 Firmware](https://www.edgeprotect.io/product/samsung/exynos_1280_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 1330 Firmware](https://www.edgeprotect.io/product/samsung/exynos_1330_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 1380 Firmware](https://www.edgeprotect.io/product/samsung/exynos_1380_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 2100 Firmware](https://www.edgeprotect.io/product/samsung/exynos_2100_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 2200 Firmware](https://www.edgeprotect.io/product/samsung/exynos_2200_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 850 Firmware](https://www.edgeprotect.io/product/samsung/exynos_850_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 980 Firmware](https://www.edgeprotect.io/product/samsung/exynos_980_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 9825 Firmware](https://www.edgeprotect.io/product/samsung/exynos_9825_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos 990 Firmware](https://www.edgeprotect.io/product/samsung/exynos_990_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos Modem 5123 Firmware](https://www.edgeprotect.io/product/samsung/exynos_modem_5123_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified - [Exynos Modem 5300 Firmware](https://www.edgeprotect.io/product/samsung/exynos_modem_5300_firmware) by [Samsung](https://www.edgeprotect.io/vendors/samsung) (Operating system): version not specified ## How do I fix CVE-2023-49928? 1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? EdgeProtect can work it out from your public website, or you can pick it from a list. 2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list. 3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in. 4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood. ### References - [semiconductor.samsung.com](https://semiconductor.samsung.com/support/quality-support/product-security-updates/) (Vendor advisory) ## Questions ### What is CVE-2023-49928? CVE-2023-49928 is a high-severity flaw in Exynos 9820 Firmware from Samsung, published on 5 June 2024. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read data. ### How serious is CVE-2023-49928? It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2023-49928 is 47 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2023-49928 being exploited? It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.4%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2023-49928 affect? For Exynos 9820 Firmware from Samsung: version not specified. The record lists 13 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2023-49928? Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2023-49928 affect you? EdgeProtect keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.edgeprotect.io/register Book a demo: https://www.edgeprotect.io/contact