9.8

CVE-2021-40017: huawei emui Improper Input Validation

CVSS: 9.8v3.1CriticalModified
Published 16-09-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-40017 is a critical (CVSS 9.8) Improper Input Validation vulnerability in huawei emui. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.65%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-09-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

+0.02 pp

From 0.64% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Huawei2 products

1 vendor · 2 products

References

2 links