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

CVE-2020-26147

2021-05-1120:15:00
NVD-CWE-Other
[email protected]
web.nvd.nist.gov
275
16
linux kernel
cve-2020-26147
security vulnerability
packet injection
data exfiltration
wep
wpa
wpa2
wpa3
nvd

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

6 Medium

AI Score

Confidence

High

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.

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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

6 Medium

AI Score

Confidence

High

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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