CVE-2020-25719
7.2
HIGH
CVSS 3.1
EPSS 1.7%
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.
How to fix CVE-2020-25719
To remediate CVE-2020-25719, upgrade the affected package to a fixed version below.
- Alpine/samba—upgrade to 4.13.17-r0 or later
Is CVE-2020-25719 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 4.0.0, < 4.13.17-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |