SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-6150

The winbind_name_list_to_sid_string_list function in nsswitch/pam_winbind.c in Samba through 4.1.2 handles invalid require_membership_of group names by accepting authentication by any user, which allows remote authenticated users to bypass intended…

LOW 3.6EPSS 3.79%

Does this matter?

Lower severity and a low EPSS score (3.79%). Track it; it rarely justifies an emergency change on its own.

Description

The winbind_name_list_to_sid_string_list function in nsswitch/pam_winbind.c in Samba through 4.1.2 handles invalid require_membership_of group names by accepting authentication by any user, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by leveraging an administrator's pam_winbind configuration-file mistake.

CVSS 2.0
3.6 LOWAV:N/AC:H/Au:S/C:P/I:P/A:N
EPSS
3.79% probability · 90th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
samba/samba · canonical/ubuntu linux
Source
secalert@redhat.com
EPSS trend
0%3%5%26 October 2026: 3.79%26 October 202626 October 2026

EPSS 3.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.