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ubuntucveUbuntu.comUB:CVE-2020-26147
HistoryMay 11, 2021 - 12:00 a.m.

CVE-2020-26147

2021-05-1100:00:00
ubuntu.com
ubuntu.com
28

5.4 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

NONE

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

3.2 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

45.1%

JSON

An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and
WPA3 implementations reassemble fragments even though some of them were
sent in plaintext. This vulnerability can be abused to inject packets
and/or exfiltrate selected fragments when another device sends fragmented
frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-151.157UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-77.86UNKNOWN
ubuntu20.10noarchlinux< 5.8.0-59.66UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-22.23UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-219.252) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1109.116UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1051.53UNKNOWN
ubuntu20.10noarchlinux-aws< 5.8.0-1038.40UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1011.11UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1099.104) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
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5.4 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

NONE

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

3.2 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

45.1%

JSON
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