CVE-2020-11521

MEDIUMMonitor

Published:May 15, 2020(6 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Interaction

Vulnerability Description

libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.

Attack Characteristics

Network AccessHigh ComplexityHigh PrivilegesNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
freerdp	freerdp	1.0.0 - 2.0.0	-
freerdp	freerdp	-	-
freerdp	freerdp	-

Timeline

Published
CVE disclosed publicly
May 15, 20206 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20262 months ago

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080....Mailing List
https://github.com/FreeRDP/FreeRDP/commits/masterPatch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5cwc-6wc9-...Patch

CVSS Score

v3.1

6.6/ 10.0

MEDIUM

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

At a Glance

Affected Products

References

freerdp / freerdp

https://lists.debian.org/debian-lts-announce/2020/08/msg00054.htmlMailing List

https://pub.freerdp.com/cve/CVE-2020-11521/pocAnalysis_6.pdfExploit

https://usn.ubuntu.com/4379-1/Third Party Advisory

https://usn.ubuntu.com/4382-1/Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080....Mailing List

https://github.com/FreeRDP/FreeRDP/commits/masterPatch

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5cwc-6wc9-...Patch

https://lists.debian.org/debian-lts-announce/2020/08/msg00054.htmlMailing List

https://pub.freerdp.com/cve/CVE-2020-11521/pocAnalysis_6.pdfExploit

https://usn.ubuntu.com/4379-1/Third Party Advisory

https://usn.ubuntu.com/4382-1/Third Party Advisory

CVSS v3 Vector

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

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Impact Analysis

ConfidentialityHigh

NoneLowHigh

IntegrityHigh

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2020-11521

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description