synced 9 MIN AGO
01 Record

CVE-2020-25717

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.

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.62% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 75.6% of scored records. A rank, not a probability.
NVD base score
8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-02-18 00:00Z4 YR AGO
Last updated
2024-08-04 15:40Z2 YR AGO
Reserved
2020-09-16
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
3d8ae3a644d8d7fa2cca761830bef242d7f59b7ffcb2a3504f4ba3f78626b701

05 Affected products

VendorProductVersionsPlatforms
n/asambasamba 4.15.2, samba 4.14.10, samba 4.13.14—

06 References

07 Fixed in

AlmaLinux 8

  • libsmbclient-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5
  • libwbclient-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5
  • samba-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5
  • samba-vfs-iouring
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Arch Linux

  • samba
    Fixed in 4.15.2-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

CloudLinux 8

  • libsmbclient-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5
  • libwbclient-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5
  • samba-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5
  • samba-vfs-iouring
    Fixed

    A version is affected if any line below covers it.

    • Affected before 4.14.5-7.el8_5
    • Affected before 4.14.5-9.el8_5

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • samba
    Fixed in 2:4.13.14+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • samba
    Fixed in 2:4.13.14+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • samba
    Fixed in 2:4.13.14+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • samba
    Fixed in 2:4.7.6+dfsg~ubuntu-0ubuntu2.26

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • samba
    Fixed in 2:4.13.14+dfsg-0ubuntu0.20.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • samba
    Fixed in 2:4.13.14+dfsg-0ubuntu1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • samba
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • samba
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.