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nvd[email protected]NVD:CVE-2020-26147
HistoryMay 11, 2021 - 8:15 p.m.

CVE-2020-26147

2021-05-1120:15:08
[email protected]
web.nvd.nist.gov
7
linux kernel
wep
wpa
wpa2
wpa3
vulnerability
data-confidentiality protocol

CVSS2

3.2

Attack Vector

ADJACENT_NETWORK

Attack 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

CVSS3

5.4

Attack Vector

ADJACENT

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

EPSS

0.002

Percentile

53.7%

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.

Affected configurations

Nvd
Node
linuxlinux_kernelRange4.4–4.4.271
OR
linuxlinux_kernelRange4.9–4.9.271
OR
linuxlinux_kernelRange4.14–4.14.235
OR
linuxlinux_kernelRange4.19–4.19.193
OR
linuxlinux_kernelRange5.4–5.4.124
OR
linuxlinux_kernelRange5.10–5.10.42
OR
linuxlinux_kernelRange5.12–5.12.9
Node
debiandebian_linuxMatch9.0
Node
aristac-75_firmwareMatch-
AND
aristac-75Match-
Node
aristao-90_firmwareMatch-
AND
aristao-90Match-
Node
aristac-65_firmwareMatch-
AND
aristac-65Match-
Node
aristaw-68_firmwareMatch-
AND
aristaw-68Match-
Node
siemensscalance_w700_ieee_802.11n_firmware
AND
siemensscalance_w700_ieee_802.11nMatch-
Node
siemensscalance_w1700_ieee_802.11ac_firmware
AND
siemensscalance_w1700_ieee_802.11acMatch-
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
aristac-75_firmware-cpe:2.3:o:arista:c-75_firmware:-:*:*:*:*:*:*:*
aristac-75-cpe:2.3:h:arista:c-75:-:*:*:*:*:*:*:*
aristao-90_firmware-cpe:2.3:o:arista:o-90_firmware:-:*:*:*:*:*:*:*
aristao-90-cpe:2.3:h:arista:o-90:-:*:*:*:*:*:*:*
aristac-65_firmware-cpe:2.3:o:arista:c-65_firmware:-:*:*:*:*:*:*:*
aristac-65-cpe:2.3:h:arista:c-65:-:*:*:*:*:*:*:*
aristaw-68_firmware-cpe:2.3:o:arista:w-68_firmware:-:*:*:*:*:*:*:*
aristaw-68-cpe:2.3:h:arista:w-68:-:*:*:*:*:*:*:*
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CVSS2

3.2

Attack Vector

ADJACENT_NETWORK

Attack 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

CVSS3

5.4

Attack Vector

ADJACENT

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

EPSS

0.002

Percentile

53.7%

JSON
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