FreeBSD : samba -- negative idmap cache entries vulnerability (6f33d38b-aa18-11eb-b3f1-005056a311d1)

medium Nessus Plugin ID 149231
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The remote FreeBSD host is missing one or more security-related updates.


The Samba Team reports :

- CVE-2021-20254: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 149231

File Name: freebsd_pkg_6f33d38baa1811ebb3f1005056a311d1.nasl

Version: 1.6

Type: local

Published: 5/3/2021

Updated: 6/28/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-20254


Risk Factor: Medium

Score: 6


Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:samba412, p-cpe:/a:freebsd:freebsd:samba413, p-cpe:/a:freebsd:freebsd:samba414, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 5/1/2021

Vulnerability Publication Date: 4/29/2021

Reference Information

CVE: CVE-2021-20254

IAVA: 2021-A-0208