4.9

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.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
1.70%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 8 · Related 3

Timeline

  1. 07-05-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last 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 versions

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 score
1.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Freerdp

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian2 products
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
Freerdp1 product
  • freerdp> 1.0, < 2.0.0 | ≥ 1.1.0, < 2.0.0

4 vendors · 6 products

References

13 links
Show all 13 references