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freebsdFreeBSD6F33D38B-AA18-11EB-B3F1-005056A311D1
HistoryApr 29, 2021 - 12:00 a.m.

samba -- negative idmap cache entries vulnerability

2021-04-2900:00:00
vuxml.freebsd.org
31

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

74.0%

JSON

The Samba Team reports:

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

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchsamba412< 4.12.15UNKNOWN
FreeBSDanynoarchsamba413< 4.13.8UNKNOWN
FreeBSDanynoarchsamba414< 4.14.4UNKNOWN

Related

altlinux 2
oraclelinux 2
prion 1
nessus 48
redhat 6
centos 1
fedora 3
ibm 4
osv 6
almalinux 1
cbl_mariner 1
veracode 1
samba 1
cve 1
alpinelinux 1
debiancve 1
amazon 2
redhatcve 1
cisa 1
rocky 1
ubuntu 2
ubuntucve 1
suse 2
mageia 1
gentoo 1
debian 1
rosalinux 1
altlinux
altlinux
Security fix for the ALT Linux 10 package samba version 4.14.4-alt1
2021-04-30 00:00:00
Security fix for the ALT Linux 10 package samba version 4.14.4-alt2
2021-05-06 00:00:00
oraclelinux
oraclelinux
samba security update
2021-11-02 00:00:00
samba security and bug fix update
2021-06-09 00:00:00
prion
prion
Design/Logic Flaw
2021-05-05 14:15:00
nessus
nessus
Oracle Linux 7 : samba (ELSA-2021-2313)
2021-06-09 00:00:00
Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Samba vulnerability (USN-4930-1)
2021-04-30 00:00:00
CentOS 8 : samba (CESA-2021:4058)
2021-11-03 00:00:00
redhat
redhat
(RHSA-2021:4866) Moderate: samba security update
2021-11-30 15:15:12
(RHSA-2021:4058) Moderate: samba security update
2021-11-02 07:48:59
(RHSA-2021:3988) Moderate: samba security update
2021-10-26 07:01:25
centos
centos
ctdb, libsmbclient, libwbclient, samba security update
2021-06-14 18:37:00
fedora
fedora
[SECURITY] Fedora 34 Update: samba-4.14.4-0.fc34
2021-04-30 00:56:42
[SECURITY] Fedora 33 Update: samba-4.13.8-0.fc33
2021-05-07 00:48:11
[SECURITY] Fedora 32 Update: samba-4.12.15-0.fc32
2021-05-08 01:10:40
ibm
ibm
Security Bulletin: A vulnerability in Samba affects IBM Spectrum Scale SMB protocol access method (CVE-2021-20254)
2021-12-06 14:13:55
Security Bulletin: Samba for IBM i is affected by CVE-2021-20254
2021-05-13 14:26:31
Security Bulletin: Multiple Samba vulnerability issues in IBM Storwize V7000 Unified
2021-10-14 16:55:46
osv
osv
CVE-2021-20254
2021-05-05 14:15:07
Moderate: samba security update
2021-11-02 07:48:59
Moderate: samba security update
2021-11-02 07:48:59
almalinux
almalinux
Moderate: samba security update
2021-11-02 07:48:59
cbl_mariner
cbl_mariner
CVE-2021-20254 affecting package samba 4.12.5-5
2024-04-20 09:06:52
veracode
veracode
Information Disclosure
2021-05-06 11:27:33
samba
samba
Negative idmap cache entries can cause incorrect
2021-04-29 00:00:00
cve
cve
CVE-2021-20254
2021-05-05 14:15:00
alpinelinux
alpinelinux
CVE-2021-20254
2021-05-05 14:15:00
debiancve
debiancve
CVE-2021-20254
2021-05-05 14:15:00
amazon
amazon
Medium: samba
2021-07-01 01:06:00
Critical: samba
2022-02-10 21:59:00
redhatcve
redhatcve
CVE-2021-20254
2021-04-29 10:18:51
cisa
cisa
Samba Releases Security Updates
2021-04-30 00:00:00
rocky
rocky
samba security update
2021-11-02 07:48:59
ubuntu
ubuntu
Samba vulnerability
2021-04-29 00:00:00
Samba vulnerabilities
2021-05-03 00:00:00
ubuntucve
ubuntucve
CVE-2021-20254
2021-04-29 00:00:00
suse
suse
Security update for samba (important)
2021-05-01 00:00:00
Security update for samba (important)
2021-09-22 00:00:00
mageia
mageia
Updated samba and ldb packages fix security vulnerabilities
2021-06-25 17:43:41
gentoo
gentoo
Samba: Multiple vulnerabilities
2021-05-26 00:00:00
debian
debian
[SECURITY] [DLA 2668-1] samba security update
2021-05-29 11:11:27
rosalinux
rosalinux
Advisory ROSA-SA-2021-1967
2021-07-02 18:07:38

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

74.0%

JSON
Related for 6F33D38B-AA18-11EB-B3F1-005056A311D1
altlinux2oraclelinux2prion1nessus48redhat6centos1fedora3ibm4osv6almalinux1cbl_mariner1veracode1samba1cve1alpinelinux1debiancve1amazon2redhatcve1cisa1rocky1ubuntu2ubuntucve1suse2mageia1gentoo1debian1rosalinux1