CVE-2025-22851: Liteos_A has an integer overflow vulnerability
Vulnerability summary
CVE-2025-22851 is a high (CVSS 8.8) Integer Overflow or Wraparound vulnerability in openatom openharmony. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.7% of scored vulnerabilities.
Not severe (CVSS 6.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 07-04-2025PublishedVulnerability first disclosed.
- 07-04-2025Last modifiedVulnerability information updated.
Description
in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through integer overflow.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA6.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.18% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Openatom1 product
- openharmony≤ 5.0.2
Openharmony1 product
- openharmony≥ v4.1.0, ≤ v5.0.2
2 vendors · 2 products