What is CVE-2024-53647?

CVE-2024-53647 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2024-12-31.

How severe is CVE-2024-53647?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Apple Iphone OS

CVE-2024-53647

Trend Micro ID Security, version 3.0 and below contains a vulnerability that could allow an attacker to send an unlimited number of email verification requests without any restriction, potentially leading to abuse or denial of service.

Published 2024-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (20.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Apple Iphone OS
Google Android
Trendmicro Id Security
Trend Micro, Inc. Micro Id Security — versions 3.0

Weakness classification (CWE)

References

helpcenter.trendmicro.com/en-us/article/tmka-06710 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-53647?: CVE-2024-53647 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2024-12-31.
How severe is CVE-2024-53647?: Medium severity. CVSS v3 base score is 6.5 out of 10.