What is the CVSS score of CVE-2019-8413?

CVE-2019-8413 has a CVSS 3.0 base score of 5.5 (Medium). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2019-8413?

Yes, a public proof-of-concept exploit is available for CVE-2019-8413. Prioritise patching immediately. EPSS: 0.4%.

Mi Mix 2 Firmware CVE-2019-8413

MEDIUM

NULL Pointer Dereference (CWE-476)

2019-02-17 cve@mitre.org

Null Pointer Dereference Denial Of Service Mi Mix 2 Firmware

5.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Feb 17, 2019 - 19:29 nvd

MEDIUM 5.5

DescriptionNVD

AnalysisAI

On Xiaomi MIX 2 devices with the 4.4.78 kernel, a NULL pointer dereference in the ioctl interface of the device file /dev/elliptic1 or /dev/elliptic0 causes a system crash via IOCTL 0x4008c575 (aka. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. On Xiaomi MIX 2 devices with the 4.4.78 kernel, a NULL pointer dereference in the ioctl interface of the device file /dev/elliptic1 or /dev/elliptic0 causes a system crash via IOCTL 0x4008c575 (aka decimal 1074316661). Affected products include: Mi Mi Mix 2 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.