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nvd[email protected]NVD:CVE-2020-16150
HistorySep 02, 2020 - 4:15 p.m.

CVE-2020-16150

2020-09-0216:15:12
CWE-203
web.nvd.nist.gov
6

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

23.7%

A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS through 2.23.0 allows an attacker to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.

Affected configurations

Nvd
Node
armmbed_tlsRange<2.7.17
OR
armmbed_tlsRange2.8.02.16.8
OR
armmbed_tlsRange2.17.02.24.0
Node
fedoraprojectfedoraMatch31
OR
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
Node
debiandebian_linuxMatch10.0
VendorProductVersionCPE
armmbed_tls*cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
fedoraprojectfedora31cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

23.7%