What is CVE-2015-4421?

CVE-2015-4421 is a high-severity vulnerability in Huawei Mate_7, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-10-19.

How severe is CVE-2015-4421?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2015-4421 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Huawei Mate_7

CVE-2015-4421

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (36.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

retme7/mate7_

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2015-4421?: CVE-2015-4421 is a high-severity vulnerability in Huawei Mate_7, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-10-19.
How severe is CVE-2015-4421?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2015-4421 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.