How severe is CVE-2019-16400?

CVE-2019-16400 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-16400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16400?

CVE-2019-16400 primarily affects Samsung Galaxy S8 Plus Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-16400?

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

When was CVE-2019-16400 published?

CVE-2019-16400 was published on 2019-11-06 and last updated on 2026-06-17.

CVE-2019-16400

CVE-2019-16400 is a medium-severity vulnerability in Samsung Galaxy S8 Plus Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Samsung Galaxy S8 Plus Firmware
Published: 2019-11-06
Last modified: 2026-06-17

Description

Samsung Galaxy S8 plus (Android version: 8.0.0, Build Number: R16NW.G955USQU5CRG3, Baseband Vendor: Qualcomm Snapdragon 835, Baseband: G955USQU5CRG3), Samsung Galaxy S3 (Android version: 4.3, Build Number: JSS15J.I9300XXUGND5, Baseband Vendor: Samsung Exynos 4412, Baseband: I9300XXUGNA8), and Samsung Galaxy Note 2 (Android version: 4.3, Build Number: JSS15J.I9300XUGND5, Baseband Vendor: Samsung Exynos 4412, Baseband: N7100DDUFND1) devices allow attackers to send AT commands over Bluetooth, resulting in several Denial of Service (DoS) attacks.

Frequently asked questions

What is CVE-2019-16400?: Samsung Galaxy S8 plus (Android version: 8.0.0, Build Number: R16NW.G955USQU5CRG3, Baseband Vendor: Qualcomm Snapdragon 835, Baseband: G955USQU5CRG3), Samsung Galaxy S3 (Android version: 4.3, Build Number: JSS15J.I9300XXUGND5, Baseband Vendor: Samsung Exynos 4412, Baseband: I9300XXUGNA8), and Samsung Galaxy Note 2 (Android version: 4.3, Build Number: JSS15J.I9300XUGND5, Baseband Vendor: Samsung Exynos 4412, Baseband: N7100DDUFND1) devices allow attackers to send AT commands over Bluetooth, resulting in several Denial of Service (DoS) attacks.
How severe is CVE-2019-16400?: CVE-2019-16400 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-16400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16400?: CVE-2019-16400 primarily affects Samsung Galaxy S8 Plus Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-16400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16400 published?: CVE-2019-16400 was published on 2019-11-06 and last updated on 2026-06-17.

References

https://www.openconf.org/acsac2019/modules/request.php?module=oc_program&action=summary.php&id=210

Affected products (3)

cpe:2.3:o:samsung:galaxy_s8_plus_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:galaxy_s3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:galaxy_note_2_firmware:-:*:*:*:*:*:*:*

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CVE-2019-16401 — Medium (CVSS 6.5): Samsung Galaxy S8 plus (Android version: 8.0.0, Build Number: R16NW.G955USQU5CRG3, Baseband Vendor: Qualcomm Snapdragon…

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