CVE-2021-22421

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A component of the HarmonyOS has a Improper Privilege Management vulnerability. Local attackers may exploit this vulnerability to cause further Elevation of Privileges.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published
Aug 3, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-224227.8A component of the HarmonyOS has a Integer Overflow or Wraparound vulnerability. Local attackers may exploit this vulnerability to cause memCVE-2021-224237.8A component of the HarmonyOS has a Out-of-bounds Write Vulnerability. Local attackers may exploit this vulnerability to cause integer overflCVE-2021-224245.5A component of the HarmonyOS has a Kernel Memory Leakage Vulnerability. Local attackers may exploit this vulnerability to cause Kernel DeniaCVE-2021-224257.8A component of the HarmonyOS has a Double Free vulnerability. Local attackers may exploit this vulnerability to cause Root Elevating PrivileCVE-2021-224269.8There is a memory address out of bounds in smartphones. Successful exploitation of this vulnerability may cause malicious code to be executeCVE-2021-224278.1There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to authenticCVE-2021-224288.1There is an Incomplete Cleanup Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to authentication bCVE-2021-224299.8There is a memory address out of bounds in smartphones. Successful exploitation of this vulnerability may cause malicious code to be executeCVE-2021-224309.8There is a logic bypass vulnerability in smartphones. Successful exploitation of this vulnerability may cause code injection.CVE-2021-224319.8There is a vulnerability when configuring permission isolation in smartphones. Successful exploitation of this vulnerability may cause out-oCVE-2021-224329.8There is a vulnerability when configuring permission isolation in smartphones. Successful exploitation of this vulnerability may cause out-oCVE-2021-224339.8There is a memory address out of bounds in smartphones. Successful exploitation of this vulnerability may cause malicious code to be execute
CVE-2021-22421: High severity, CVSS 7.8 | Vulnix