What’s Vulnerable › Vulnerabilities

CVE-2020-11089: Out-of-bound read in FreeRDP

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-29 · updated 2026-06-17
• Weakness: CWE-125

Description

In FreeRDP before 2.1.0, there is an out-of-bound read in irp functions (parallel_process_irp_create, serial_process_irp_create, drive_process_irp_write, printer_process_irp_write, rdpei_recv_pdu, serial_process_irp_write). This has been fixed in 2.1.0.

Affected products

• Debian Linux: 10.0
• FreeRDP: before 2.1.0 — fixed in 2.1.0
• openSUSE Leap: 15.1

How to fix

Upgrade to a fixed version: FreeRDP 2.1.0. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
• https://github.com/FreeRDP/FreeRDP/commit/6b485b146a1b9d6ce72dfd7b5f36456c166e7a16
• https://github.com/FreeRDP/FreeRDP/commit/795842f4096501fcefc1a7f535ccc8132feb31d7
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hfc7-c5gv-8c2h
• https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
• https://github.com/FreeRDP/FreeRDP/commit/6b485b146a1b9d6ce72dfd7b5f36456c166e7a16
• https://github.com/FreeRDP/FreeRDP/commit/795842f4096501fcefc1a7f535ccc8132feb31d7
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hfc7-c5gv-8c2h
• https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html

Get alerted when CVE-2020-11089 or the next vulnerability affects your stack