CVE-2020-11087

Name: CVE-2020-11087
Creator: NVD / NIST
Published: 2020-05-29T20:15:10.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.43%

Last modified Jun 17, 2026

CVE-2020-11087 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_AuthenticateMessage. This has been fixed in 2.1.0.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_AuthenticateMessage. This has been fixed in 2.1.0.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

EPSS Probability

1.43%

69.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Freerdp	Freerdp	< 2.1.0
Opensuse	Leap	15.1
Debian	Debian Linux	10.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlThird Party Advisory
https://github.com/FreeRDP/FreeRDP/commit/8241ab42fdf0cc89cf69fc574bf6360c9977a0d4Patch, Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-84vj-g73m-chw7Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlThird Party Advisory
https://github.com/FreeRDP/FreeRDP/commit/8241ab42fdf0cc89cf69fc574bf6360c9977a0d4Patch, Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-84vj-g73m-chw7Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing List, Third Party Advisory

Timeline

Published: May 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11087?

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_AuthenticateMessage. This has been fixed in 2.1.0.

How severe is CVE-2020-11087?

CVE-2020-11087 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11087?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-11087?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST