CVE-2020-25721

Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2021728	Issue Tracking Third Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=14725	Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2020-25721.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:samba:samba::::::::
	cpe:2.3:a:samba:samba::::::::
	cpe:2.3:a:samba:samba::::::::

History

17 Sep 2023, 09:15

Type	Values Removed	Values Added
References		(GENTOO) https://security.gentoo.org/glsa/202309-06 -

22 Mar 2022, 15:27

Type	Values Removed	Values Added
CPE		cpe:2.3:a:samba:samba::::::::
CWE		CWE-20
References	~~(MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2021728 -~~	(MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2021728 - Issue Tracking, Third Party Advisory
References	~~(MISC) https://www.samba.org/samba/security/CVE-2020-25721.html -~~	(MISC) https://www.samba.org/samba/security/CVE-2020-25721.html - Vendor Advisory
References	~~(MISC) https://bugzilla.samba.org/show_bug.cgi?id=14725 -~~	(MISC) https://bugzilla.samba.org/show_bug.cgi?id=14725 - Issue Tracking, Vendor Advisory
First Time		Samba Samba samba
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 8.8

16 Mar 2022, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-03-16 15:15

Updated : 2023-12-10 14:22

NVD link : CVE-2020-25721

Mitre link : CVE-2020-25721

CVE.ORG link : CVE-2020-25721

JSON object : View

Products Affected

samba

samba

CWE

CWE-20

Improper Input Validation

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