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CVE-2020-25719

HIGH
7.2
CVSS Score
Published: February 18, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 03:07 AM UTC
17 products affected across 5 vendorsDebian LinuxFedoraUbuntu Linux

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Severity
HIGH7.2
Exploit prediction
EPSS 2%

Description

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Issue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2019732
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202309-06
MitigationVendor Advisory
Source: [email protected]
https://www.samba.org/samba/security/CVE-2020-25719.html

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287CWE-362

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