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CVE-2024-29074· NVD / CVE Program· CNA OpenHarmony

Telephony has an improper input validation vulnerability

in OpenHarmony v3.2.4 and prior versions allow a local attacker arbitrary code execution in any apps through improper input.

HighCVSS 8.8 · v3.1—No exploit No fix recorded

Noroxi analysis

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Published
Apr 2, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 7th percentile
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.8
CNA · OpenHarmony
6.5
2.3 point gap

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
openatomopenharmony

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • openatom openharmonyup to 3.2.4 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (OpenHarmony). Independent of NVD's CPE analysis and usually ahead of it.

  • OpenHarmony OpenHarmony

    • v3.2.0 and later · up to and including v3.2.4affected

Same product

openatom: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-37185Arkcompiler Ets Runtime has an out-of-bounds write vulnerability
    39Monitor
  • CVE-2024-37077Arkcompiler Ets Runtime has an out-of-bounds write vulnerability
    39Monitor
  • CVE-2024-37030Arkcompiler Ets Runtime has a use after free vulnerability
    39Monitor
  • CVE-2024-36260Arkcompiler Ets Runtime has an out-of-bounds write vulnerability
    39Monitor
  • CVE-2024-36243Arkcompiler Ets Runtime has an out-of-bounds read vulnerability
    39Monitor
  • CVE-2025-22851Liteos_A has an integer overflow vulnerability
    35Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-282260 days apartFs has an improper input validation vulnerability
    30Monitor
  • CVE-2023-22301389 days apartThe kernel subsystem hmdfs has a arbitrary memory accessing vulnerability.
    30Monitor
  • CVE-2024-2186360 days apartDsoftbus has an improper input validation vulnerability
    24Monitor
  • CVE-2024-028560 days apartDsoftbus has an improper input validation vulnerability
    22Monitor
  • CVE-2024-43697189 days apartLiteos_a has an Improper Input Validation vulnerability
    22Monitor
  • CVE-2023-4753194 days apartOpenHarmony v3.2.1 and prior version has a system call function usage error
    22Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2024-220920 days apartBundlemanager has an authentication bypass vulnerability
    29Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records