Integer overflow in Huawei Harmonyos

CVE-2021-22480

The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.

Vulnerability class: Integer Overflow

EPSS: 0.007 (50.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-22480?
CVE-2021-22480 is a critical-severity vulnerability in Huawei Harmonyos, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2022-02-25.
How severe is CVE-2021-22480?
Critical severity. CVSS v3 base score is 9.8 out of 10.