7.5

CVE-2021-40029: huawei emui Classic Buffer Overflow

CVSS: 7.5v3.1HighModified
Published 07-01-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-40029 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in huawei emui. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-01-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

There is a Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.79% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.79%

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

Huawei3 products
  • emui10.0.0 | 10.1.0 | 10.1.1 | 11.0.0 | 11.0.1 | 12.0.0
  • harmonyos2.0 | < 2.0
  • magic_ui3.0.0 | 3.1.0 | 3.1.1 | 4.0.0

1 vendor · 3 products

References

2 links