CVE-2020-25717

Aliases:ALPINE-CVE-2020-25717DEBIAN-CVE-2020-25717
Advisory lineage Upstream: 0 Downstream: 38
Modified
Published: 18 Feb 2022, 00:00
Last modified:04 Aug 2024, 15:40

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
8.5 HIGH
v2.0 (nvd)
EPSS Score
1.63% LOW
2% probability +1.44%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Feb 2022, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 15:40
Last Modified
Vulnerability information updated

Description

A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.

CVSS Metrics

  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  • v2.0•HIGH•Score: 8.5AV:N/AC:L/Au:S/C:C/I:C/A:N

EPSS Trends

Current EPSS score: 1.63%• Percentile: 75%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • alpine•samba

    ≥ 3.0.0, < 4.13.17-r0 | ≥ 3.0.0, < 4.14.12-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0 | ≥ 3.0.0, < 4.15.2-r0

  • canonical•ubuntu_linux

    18.04 | 20.04 | 21.04 | 21.10

  • debian•samba

    < 2:4.13.13+dfsg-1~deb11u2 | < 2:4.13.14+dfsg-1 | < 2:4.13.14+dfsg-1 | < 2:4.13.14+dfsg-1

  • debian•debian_linux

    9.0 | 10.0

  • fedoraproject•fedora

    33 | 34 | 35

  • redhat•codeready_linux_builder

    na

  • redhat•enterprise_linux

    7.0 | 8.0

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_eus

    8.2 | 8.4

  • redhat•enterprise_linux_for_ibm_z_systems

    7.0 | 8.0

  • redhat•enterprise_linux_for_ibm_z_systems_eus

    8.2 | 8.4

  • redhat•enterprise_linux_for_power_big_endian

    7.0

  • redhat•enterprise_linux_for_power_little_endian

    7.0 | 8.0

  • redhat•enterprise_linux_for_power_little_endian_eus

    8.2 | 8.4

  • redhat•enterprise_linux_for_scientific_computing

    7.0

  • redhat•enterprise_linux_resilient_storage

    7.0

  • redhat•enterprise_linux_server

    7.0

  • redhat•enterprise_linux_server_aus

    8.2 | 8.4

  • redhat•enterprise_linux_server_tus

    8.4

  • redhat•enterprise_linux_server_update_services_for_sap_solutions

    8.2 | 8.4

  • redhat•enterprise_linux_tus

    8.2

  • redhat•enterprise_linux_workstation

    7.0

  • redhat•gluster_storage

    3.0 | 3.5

  • redhat•openstack

    13 | 16.1 | 16.2

  • redhat•virtualization

    4.0

  • redhat•virtualization_host

    4.0

  • samba•samba

    ≥ 3.0.0, < 4.13.14 | ≥ 4.14.0, < 4.14.10 | ≥ 4.15.0, < 4.15.2

References (5)