CVE & CISA-KEV Catalog

CVE-2020-11044

LOWEPSS 78th pctl
2.2
CVSS v3
NVD

Description

In FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data from a manipulated server is parsed. This has been patched in 2.0.0.

How to fix

Remediation Available
freerdpAmazon
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
freerdp-debuginfoAmazon
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
freerdp-develAmazon
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
freerdp-libsAmazon
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
libwinprAmazon
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
libwinpr-develAmazon
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
Fixed in:0:2.1.1-2.amzn2
freerdp2Debian
Fixed in:2.1.1+dfsg1-1CVE-2020-11044
freerdp2Ubuntu
Fixed in:2.1.1+dfsg1-0ubuntu0.18.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:2.1.1+dfsg1-0ubuntu0.20.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

libfreerdp-client2-2Ubuntu
Fixed in:2.1.1+dfsg1-0ubuntu0.18.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:2.1.1+dfsg1-0ubuntu0.20.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

libfreerdp-server2-2Ubuntu
Fixed in:2.1.1+dfsg1-0ubuntu0.18.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:2.1.1+dfsg1-0ubuntu0.20.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

libfreerdp2-2Ubuntu
Fixed in:2.1.1+dfsg1-0ubuntu0.18.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:2.1.1+dfsg1-0ubuntu0.20.04.1USN-4379-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityLow

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

Exploit Intelligence

1.90%probability of exploitation in 30 days
78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Related Vulnerabilities

Other CWE-415 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-25136Medium6.590%-Fix
CVE-2003-0545Critical9.887%-Fix
CVE-2018-0101Critical10.087%-Fix
CVE-2026-33824Critical9.873%KEVFix
CVE-2019-3829Medium5.359%-Fix
CVE-2021-3407Medium5.550%-Fix

Common questions

How do I fix CVE-2020-11044?

Published advisories record a fix for 11 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2020-11044 being actively exploited?

Not that we know of. CVE-2020-11044 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 78% of all scored CVEs.

How severe is CVE-2020-11044?

CVE-2020-11044 has a CVSS v3 base score of 2.2, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2020-11044 affect?

Published advisories record a fix for freerdp (Amazon), freerdp-debuginfo (Amazon), freerdp-devel (Amazon), freerdp-libs (Amazon), and 7 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.