CVE-2020-11045: canonical ubuntu_linux Out-of-bounds Read
CVSS: 4.9v2.0MediumModified
AliasesUBUNTU-CVE-2020-11045DEBIAN-CVE-2020-11045
Published 07-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-11045 is a medium (CVSS 4.9) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
4.9/10
010
Medium · v2.0 (NVD)EPSS score
1.70%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 8 · Related 3Timeline
- 07-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.
CVSS metrics
5 scores · 4 sources · 2 versionsLow 2.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:LSources4 sources · 2.2–3.3
- OSV · UbuntuEcosystem advisory · calculated2.2LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated3.3LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:LDiffers
- NVDNIST3.3LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:LDiffers
Medium 4.9Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.70%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.70% on 18-09-2026
18-09-202618-10-2026
EPSS score1.70%
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_linuxEOL9.0 | 10.0
Ubuntu2 products
- freerdp< 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4 | < 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.2
- 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> 1.0, < 2.0.0 | ≥ 1.1.0, < 2.0.0
4 vendors · 6 products