How severe is CVE-2018-12037?

CVE-2018-12037 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over physical access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-12037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12037?

CVE-2018-12037 primarily affects Samsung 840 Evo Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-12037?

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

When was CVE-2018-12037 published?

CVE-2018-12037 was published on 2018-11-20 and last updated on 2026-06-17.

CVE-2018-12037

CVE-2018-12037 is a medium-severity vulnerability in Samsung 840 Evo Firmware with a CVSS 3.x base score of 4.0. 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 4.0)
CVSS v2: 1.9
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Samsung 840 Evo Firmware
Published: 2018-11-20
Last modified: 2026-06-17

Description

An issue was discovered on Samsung 840 EVO and 850 EVO devices (only in "ATA high" mode, not vulnerable in "TCG" or "ATA max" mode), Samsung T3 and T5 portable drives, and Crucial MX100, MX200 and MX300 devices. Absence of a cryptographic link between the password and the Disk Encryption Key allows attackers with privileged access to SSD firmware full access to encrypted data.

Frequently asked questions

What is CVE-2018-12037?: An issue was discovered on Samsung 840 EVO and 850 EVO devices (only in "ATA high" mode, not vulnerable in "TCG" or "ATA max" mode), Samsung T3 and T5 portable drives, and Crucial MX100, MX200 and MX300 devices. Absence of a cryptographic link between the password and the Disk Encryption Key allows attackers with privileged access to SSD firmware full access to encrypted data.
How severe is CVE-2018-12037?: CVE-2018-12037 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over physical access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-12037 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12037?: CVE-2018-12037 primarily affects Samsung 840 Evo Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-12037?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12037 published?: CVE-2018-12037 was published on 2018-11-20 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:samsung:840_evo_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:850_evo_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:t3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:t5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:micron:crucial_mx100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:micron:crucial_mx200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:micron:crucial_mx300_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Samsung 840 Evo Firmware

CVE-2018-12038 — Medium (CVSS 4.2): An issue was discovered on Samsung 840 EVO devices. Vendor-specific commands may allow access to the disk-encryption…

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