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CVE-2020-11099

18
FAUCET Score

CVE-2020-11099 is an out-of-bounds read vulnerability in FreeRDP versions prior to 2.1.2, affecting products like Canonical, Debian, FedoraProject, FreeRDP, and OpenSUSE. This flaw allows an unauthenticated attacker to trigger out-of-bounds reads in an internal buffer by sending a specially crafted license packet. With a CVSS score of 6.5 (Medium), it poses a low impact on confidentiality and availability, with no integrity impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.2CPE matchmatch criteria
cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.11%
Probability of exploitation in next 30 days
EPSS Percentile
79.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0211 is in the 69th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: freerdp-2:2.2.0-1.el8
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: freerdp

Vendor Advisories (1)

redhatCVE-2020-11099Moderate

freerdp: out of bounds read in license_read_new_or_upgrade_license_packet

Jun 22, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-07/msg00080.html
Third Party Advisory
github.com / FreeRDP/FreeRDP/commit/6ade7b4cbfd71c54b3d724e8f2d6ac76a58e879a
PatchThird Party Advisory
github.com / FreeRDP/FreeRDP/security/advisories/GHSA-977w-866x-4v5h
Third Party Advisory
lists.debian.org / debian-lts-announce/2023/10/msg00008.html
Issue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V
usn.ubuntu.com / 4481-1
Third Party Advisory
freerdp.com / 2020/06/22/2_1_2-released
Release NotesVendor Advisory