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cve[email protected]CVE-2020-24394
HistoryAug 19, 2020 - 1:15 p.m.

CVE-2020-24394

2020-08-1913:15:10
CWE-732
[email protected]
web.nvd.nist.gov
287
4
linux
kernel
cve-2020-24394
nfs
server
permissions
umask
security
vulnerability

3.6 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

19.2%

JSON

In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.

Affected configurations

NVD
Node
linuxlinux_kernelRange<5.7.8
Node
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04esm
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch20.04lts
Node
opensuseleapMatch15.1
Node
oraclesd-wan_edgeMatch8.2
Node
starwindsoftwarestarwind_virtual_sanMatchv8build12533vsphere
OR
starwindsoftwarestarwind_virtual_sanMatchv8build12658vsphere
OR
starwindsoftwarestarwind_virtual_sanMatchv8build12859vsphere
OR
starwindsoftwarestarwind_virtual_sanMatchv8build13170vsphere
OR
starwindsoftwarestarwind_virtual_sanMatchv8build13586vsphere
OR
starwindsoftwarestarwind_virtual_sanMatchv8build13861vsphere

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3.6 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

19.2%

JSON
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