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ubuntucveUbuntu.comUB:CVE-2020-26555
HistoryMay 24, 2021 - 12:00 a.m.

CVE-2020-26555

2021-05-2400:00:00
ubuntu.com
ubuntu.com
24
cve-2020-26555
bluetooth core specification
unauthorized device spoofing
unauthenticated pairing
additional patches released

CVSS2

4.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

25.4%

JSON

Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification
1.0B through 5.2 may permit an unauthenticated nearby device to spoof the
BD_ADDR of the peer device to complete pairing without knowledge of the
PIN.

Notes

Author Note
eslerm additional patches released in 2023-12
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-151.157UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-80.90UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-219.252UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1109.116UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1054.57UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1099.104UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1135.149UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1054.57~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1109.116~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1055.57UNKNOWN
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CVSS2

4.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

25.4%

JSON
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