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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.009 (59.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2015-4421: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.