CVE-2020-11099: canonical ubuntu_linux Out-of-bounds Read
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-11099DEBIAN-CVE-2020-11099
Published 22-06-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-11099 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.11% chance of exploitation in the next 30 days, higher than 81.5% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
2.11%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 22-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet. A manipulated license packet can lead to out of bound reads to an internal buffer. This is fixed in version 2.1.2.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LSources4 sources · 3.5–6.5
- CVE.orgCNA3.5LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated3.5LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:NDiffers
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.11%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.11% on 18-09-2026
18-09-202618-10-2026
EPSS score2.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- freerdp2< 2.1.2+dfsg1-1
- debian_linuxEOL10.0
Canonical1 product
- ubuntu_linuxEOL18.04 | 20.04
Fedoraproject1 product
- fedoraEOL31 | 32
Freerdp1 product
- freerdp< 2.1.2
Opensuse1 product
- leapEOL15.1
Ubuntu1 product
- freerdp2< 2.2.0+dfsg1-0ubuntu0.18.04.1 | < 2.2.0+dfsg1-0ubuntu0.20.04.1
6 vendors · 7 products
References
12 links- github.com/FreeRDP/FreeRDP/commit/6ade7b4cbfd71c54b3d724e8f2d6ac76a58e879aREPORTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlVendor AdvisoryThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListIssue TrackingThird Party Advisory