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cve[email protected]CVE-2020-26556
HistoryMay 24, 2021 - 6:15 p.m.

CVE-2020-26556

2021-05-2418:15:00
CWE-307
[email protected]
web.nvd.nist.gov
68
2
cve-2020-26556
bluetooth mesh
authentication
malleable commitment
security vulnerability
nvd

7.5 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

2.9 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

24.4%

JSON

Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a successful brute-force attack on an insufficiently random AuthValue before the provisioning procedure times out, to complete authentication by leveraging Malleable Commitment.

Social References

More

Related

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2021-06-08 01:15:10
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2021-05-25 05:17:00
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Devices supporting Bluetooth Core and Mesh Specifications are vulnerable to impersonation attacks and AuthValue disclosure
2021-05-24 00:00:00

7.5 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

2.9 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

24.4%

JSON
Related for CVE-2020-26556
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