What’s Vulnerable › Vulnerabilities

CVE-2021-22423

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-03 · updated 2026-06-17
• Weakness: CWE-787

Description

A component of the HarmonyOS has a Out-of-bounds Write Vulnerability. Local attackers may exploit this vulnerability to cause integer overflow.

Affected products

• Huawei HarmonyOS: all versions

References

• https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077
• https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077

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