How severe is CVE-2023-49927?

CVE-2023-49927 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-49927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49927?

CVE-2023-49927 primarily affects Samsung Exynos 9820 Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-49927?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-49927 have an EU (EUVD) identifier?

Yes. CVE-2023-49927 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53822.

When was CVE-2023-49927 published?

CVE-2023-49927 was published on 2024-06-05 and last updated on 2026-06-17.

CVE-2023-49927

CVE-2023-49927 is a medium-severity vulnerability in Samsung Exynos 9820 Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53822
Weakness: CWE-311
Affected product: Samsung Exynos 9820 Firmware
Published: 2024-06-05
Last modified: 2026-06-17

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 format types specified by the RRC. This can lead to a lack of encryption.

Frequently asked questions

What is CVE-2023-49927?: 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 format types specified by the RRC. This can lead to a lack of encryption.
How severe is CVE-2023-49927?: CVE-2023-49927 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-49927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49927?: CVE-2023-49927 primarily affects Samsung Exynos 9820 Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-49927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-49927 have an EU (EUVD) identifier?: Yes. CVE-2023-49927 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53822.
When was CVE-2023-49927 published?: CVE-2023-49927 was published on 2024-06-05 and last updated on 2026-06-17.

References

https://semiconductor.samsung.com/support/quality-support/product-security-updates/

Affected products (13)

cpe:2.3:o:samsung:exynos_9820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_9825_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Samsung Exynos 9820 Firmware

CVE-2023-50806 — High (CVSS 8.4): A vulnerability was discovered in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820,…
CVE-2024-39890 — High (CVSS 8.1): An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850,…
CVE-2024-44068 — High (CVSS 8.1): An issue was discovered in the m2m scaler driver in Samsung Mobile Processor and Wearable Processor Exynos 9820, 9825,…
CVE-2024-29153 — High (CVSS 8.1): A vulnerability was discovered in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820,…
CVE-2023-50805 — High (CVSS 8.1): A vulnerability was discovered in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820,…
CVE-2024-52924 — High (CVSS 7.5): An issue was discovered in NRMM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990,…

All CVEs affecting Samsung Exynos 9820 Firmware →

Other CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities

CVE-2023-6339 — Critical (CVSS 10.0): Google Nest WiFi Pro root code-execution & user-data compromise
CVE-2023-4420 — Critical (CVSS 9.8): A remote unprivileged attacker can intercept the communication via e.g. Man-In-The-Middle, due to the absence of…
CVE-2023-0750 — Critical (CVSS 9.8): Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be…
CVE-2020-15331 — Critical (CVSS 9.8): Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded OAUTH_SECRET_KEY in /opt/axess/etc/default/axess.
CVE-2019-3431 — Critical (CVSS 9.8): All versions up to V4.01.01.02 of ZTE ZXCLOUD GoldenData VAP product have encryption problems vulnerability. Attackers…
CVE-2019-12924 — Critical (CVSS 9.8): MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE) attacks that could be…

Browse all CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities →