What is the CVSS score of CVE-2024-42642?

CVE-2024-42642 has a CVSS 3.1 base score of 6.7 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2024-42642?

Yes, a public proof-of-concept exploit is available for CVE-2024-42642. Prioritise patching immediately. EPSS: 0.5%.

Mx500 Firmware CVE-2024-42642

MEDIUM

Out-of-bounds Write (CWE-787)

2024-09-04 cve@mitre.org

Memory Corruption Buffer Overflow Mx500 Firmware

6.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.7 MEDIUM

AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 04, 2024 - 20:15 nvd

MEDIUM 6.7

DescriptionNVD

Micron Crucial MX500 Series Solid State Drives M3CR046 is vulnerable to Buffer Overflow, which can be triggered by sending specially crafted ATA packets from the host to the drive controller. NOTE: The supplier states that this vulnerability was fully remediated in December 2024 and that updated firmware is available through Crucial’s official support page.

AnalysisAI

Micron Crucial MX500 Series Solid State Drives M3CR046 is vulnerable to Buffer Overflow, which can be triggered by sending specially crafted ATA packets from the host to the drive controller. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Micron Crucial MX500 Series Solid State Drives M3CR046 is vulnerable to Buffer Overflow, which can be triggered by sending specially crafted ATA packets from the host to the drive controller. NOTE: The supplier states that this vulnerability was fully remediated in December 2024 and that updated firmware is available through Crucial’s official support page. Affected products include: Crucial Mx500 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).