CVE-2020-11047

Public Exploit
Out-of-bounds Read in FreeRDP

Description

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory ubuntu.com
Affected: FreeRDP FreeRDP
Published at:
Updated at:

References

Link Tags
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9fw6-m2q8-h5pw third party advisory
https://github.com/FreeRDP/FreeRDP/issues/6009 third party advisory exploit
https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950b65 third party advisory patch
https://usn.ubuntu.com/4379-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-11047?
CVE-2020-11047 has been scored as a medium severity vulnerability.
How to fix CVE-2020-11047?
To fix CVE-2020-11047, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-11047 being actively exploited in the wild?
It is possible that CVE-2020-11047 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-11047?
CVE-2020-11047 affects FreeRDP FreeRDP.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.