CVE-2021-37020 — Out-of-bounds Write in Huawei Harmonyos

CWE-787 — Out-of-bounds WriteCWE-20 — Improper Input Validation3 documents3 sources
Severity
9.1CRITICALNVD
EPSS
0.3%
top 51.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Huawei HarmonyosHuawei EmuiHuawei Magic UI
Timeline
PublishedDec 7
Latest updateDec 8

Description

There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2

Affected Packages4 packages

▶NVDhuawei/harmonyos< 2.0
▶NVDhuawei/emui6 versions+5
▶NVDhuawei/magic_ui4 versions+3
▶CVEListV5huawei/harmonyos2.0

🔴Vulnerability Details

2
GHSA
GHSA-c249-p4pv-x28j: There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone↗2021-12-08
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CVEList
CVE-2021-37020: There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone↗2021-12-07
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CVE-2021-37020 — Out-of-bounds Write in Huawei | cvebase