Integer overflow in Openatom Openharmony

CVE-2024-21851

in OpenHarmony v4.0.0 and prior versions allow a local attacker cause heap overflow through integer overflow.

Vulnerability class: Integer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (3.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-21851: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21851?
CVE-2024-21851 is a low-severity vulnerability in Openatom Openharmony, classified under Integer Overflow or Wraparound. CVSS score: 2.9/10. Published 2024-02-02.
How severe is CVE-2024-21851?
Low severity. CVSS v3 base score is 2.9 out of 10.
Is CVE-2024-21851 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.