CVE-2020-11049: canonical ubuntu_linux Out-of-bounds Read
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-11049DEBIAN-CVE-2020-11049
Published 07-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-11049 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
1.52%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 6 · Related 2Timeline
- 07-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bound read of client memory that is then passed on to the protocol parser. This has been patched in 2.0.0.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:LSources4 sources · 2.2–5.5
- OSV · UbuntuEcosystem advisory · calculated2.2LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · DebianEcosystem advisory · calculated2.2LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:LDiffers
- NVDNIST2.2LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:LDiffers
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.52%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
-0.01 pp
From 1.52% on 19-09-2026
19-09-202619-10-2026
EPSS score1.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundFreerdp
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- freerdp2< 2.1.1+dfsg1-1
- debian_linuxEOL10.0
Ubuntu2 products
- freerdp< 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4 | All versions (No fix recorded)
- freerdp2< 2.1.1+dfsg1-0ubuntu0.18.04.1 | < 2.1.1+dfsg1-0ubuntu0.20.04.1
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 19.10 | 20.04
Freerdp1 product
- freerdp> 1.1, < 2.0.0 | > 1.1.0, < 2.0.0
4 vendors · 6 products
