7.1

CVE-2020-13396: canonical ubuntu_linux Out-of-bounds Read

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2020-13396DEBIAN-CVE-2020-13396
Published 22-05-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-13396 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.34% chance of exploitation in the next 30 days, higher than 83.3% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
2.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 8

Timeline

  1. 22-05-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) read vulnerability has been detected in ntlm_read_ChallengeMessage in winpr/libwinpr/sspi/NTLM/ntlm_message.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.34%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.34% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

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
Opensuse1 product

5 vendors · 7 products

References

14 links
Show all 14 references