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TI-2022-21851 Aliases CVE-2022-44455GHSA-gm3h-4v52-g4fr

Buffer overflow in OpenHarmony

Priority LOW 35CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

The appspawn and nwebspawn services within OpenHarmony-v3.1.2 and prior versions were found to be vulnerable to buffer overflow vulnerability due to insufficient input validation. An unprivileged malicious application would be able to gain code execution within any application installed on the device or cause application crash.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00219 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenHarmonyOpenHarmony3.1.0; 3.0.0—No fix listedCNA
  • OpenHarmony VendorOpenHarmony Affected 3.1.0; 3.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:openharmony:openharmony:*:*:*:*:*:*:*:*3.1 – 3.1.2VulnerableOpenHarmony
cpe:2.3:o:openatom:openharmony:*:*:*:*:lts:*:*:*3.0 – 3.0.6VulnerableOpenatom
  • cpe:2.3:a:openharmony:openharmony:*:*:*:*:*:*:*:* Versions 3.1 – 3.1.2 Vulnerable ·OpenHarmony
  • cpe:2.3:o:openatom:openharmony:*:*:*:*:lts:*:*:* Versions 3.0 – 3.0.6 Vulnerable ·Openatom

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-44455
  2. 2026-10-03 Alias added: GHSA-gm3h-4v52-g4fr

References

  • TI-2022-20662 Improper authentication in OpenHarmony CVSS 3.1HIGH 8.8
  • TI-2022-20682 Improper authentication in OpenHarmony CVSS 3.1HIGH 8.4
  • TI-2022-18233 Authentication bypass in OpenHarmony CVSS 3.1HIGH 8.8
  • TI-2022-22675 Improper authentication in OpenHarmony CVSS 3.1HIGH 8.3
  • TI-2022-21243 Multiple path traversal in appspawn and nwebspawn services. CVSS 3.1HIGH 8.4
  • TI-2022-20663 Incorrect default permissions in OpenHarmony CVSS 3.1HIGH 7.8
See all 17 →

Sources