CVE-2020-14303

Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 06 Jul 2020, 17:12
Last modified:04 Aug 2024, 12:39

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
26.36% HIGH
26% probability +0.25%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

06 Jul 2020, 17:12
Published
Vulnerability first disclosed
04 Aug 2024, 12:39
Last Modified
Vulnerability information updated

Description

A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 26.36%• Percentile: 96%

Techniques & Countermeasures

  • CWE-834•Excessive Iteration

    The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04 | 16.04 | 18.04 | 20.04

  • debian•debian_linux

    9.0

  • fedoraproject•fedora

    31

  • opensuse•leap

    15.1 | 15.2

  • samba•samba

    ≥ 4.10.0, < 4.10.17 | ≥ 4.11.0, < 4.11.11 | ≥ 4.12.0, < 4.12.4

References (11)