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CVE

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 cau

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.

HIGH · CVSS 8.1 EPSS 0.00517
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

27
samba>= 3.0.0 and < 4.13.14
samba>= 4.14.0 and < 4.14.10
samba>= 4.15.0 and < 4.15.2
debian linuxall versions
fedoraproject fedoraall versions
redhat codeready linux builderall versions
redhat gluster storageall versions
redhat openstackall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPowershell Detect Virtualization Environment
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Feb 2022 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
⚑

Vendor Advisories

30
msrcCVE-2020-25717
suse-csafopenSUSE-SU-2024:11631-1
suse-csafSUSE-SU-2022:0361-1
rhsaRHSA-2022:0332Critical
rhsaRHSA-2022:0331Critical
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2019672Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2020-25717.htmlMitigationVendor Advisory
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