PT-2021-5170 · Huawei · Harmonyos

CVE-2021-37021 · Published 2021-09-01 · Updated 2023-08-08

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Name of the Vulnerable Software and Affected Versions Huawei Smartphone (affected versions not specified)

Description The issue is related to insufficient input validation in the HarmonyOS operating system kernel, which can be exploited by a remote attacker to cause a denial of service. Additionally, there is a Stack-based Buffer Overflow vulnerability that may lead to an out-of-bounds read.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Weakness Enumeration

CWE-20

CWE-787

Related Identifiers

BDU:2021-05970

CVE-2021-37021

Affected Products

Harmonyos

References · 5

• https://osv.dev/vulnerability/CVE-2021-37021 · Vendor Advisory
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05970 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-37021 · Security Note
• https://t.me/cvenotify/24358 · Telegram Post