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cve[email protected]CVE-2021-43566
HistoryJan 11, 2022 - 4:15 p.m.

CVE-2021-43566

2022-01-1116:15:00
CWE-362
[email protected]
web.nvd.nist.gov
202
samba
cve-2021-43566
directory creation
malicious client
security vulnerability
smb1
nfs
server file system

2.5 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

3.7 Low

AI Score

Confidence

High

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:H/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

44.3%

JSON

All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.

CPENameOperatorVersion
samba:sambasambalt4.13.16

Related

prion 1
osv 2
ibm 2
veracode 1
alpinelinux 1
cbl_mariner 1
nessus 18
ubuntucve 1
rocky 1
redhatcve 1
debiancve 1
cisa 1
cnvd 1
samba 1
ubuntu 1
freebsd 1
suse 1
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Security Bulletin: A vulnerability in Samba affects IBM Spectrum Scale SMB protocol access method (CVE-2021-43566)
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Security Bulletin: IBM i is vulnerable to bypass security restrictions due to Samba SMB1 (CVE-2021-43566 and CVE-2021-44141)
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CVE-2021-43566 affecting package samba 4.12.5-5
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Samba 4.13.x < 4.13.16 Arbitrary Directory Write
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2021-11-09 09:21:40
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2022-01-12 00:00:00
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2.5 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

3.7 Low

AI Score

Confidence

High

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:H/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

44.3%

JSON
Related for CVE-2021-43566
prion1osv2ibm2veracode1alpinelinux1cbl_mariner1nessus18ubuntucve1rocky1redhatcve1debiancve1cisa1cnvd1samba1ubuntu1freebsd1suse1