What is the CVSS score of CVE-2015-4421?

CVE-2015-4421 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Mate 7 Firmware CVE-2015-4421

HIGH

Buffer Overflow (CWE-119)

2017-10-19 cve@mitre.org

Buffer Overflow Denial Of Service Huawei Mate 7 Firmware

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 19, 2017 - 21:29 cve.org

HIGH 7.5

DescriptionCVE.org

AnalysisAI

The tzdriver module in Huawei Mate 7 (Mate7-TL10) smartphones before V100R001CHNC00B126SP03 allows local users to gain privileges or cause a denial of service (memory corruption) via an unspecified. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. The tzdriver module in Huawei Mate 7 (Mate7-TL10) smartphones before V100R001CHNC00B126SP03 allows local users to gain privileges or cause a denial of service (memory corruption) via an unspecified input. Affected products include: Huawei Mate 7 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.