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cveMitreCVE-2021-44732
HistoryDec 20, 2021 - 8:15 a.m.

CVE-2021-44732

2021-12-2008:15:06
CWE-415
mitre
web.nvd.nist.gov
78
cve-2021-44732
mbed tls
double free
vulnerability
out-of-memory
mbedtls_ssl_set_session
nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.004

Percentile

74.4%

Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.

Affected configurations

Nvd
Node
armmbed_tlsRange<2.16.12
OR
armmbed_tlsRange2.17.02.28.0
OR
armmbed_tlsMatch3.0.0-
OR
armmbed_tlsMatch3.0.0preview1
Node
debiandebian_linuxMatch10.0
VendorProductVersionCPE
armmbed_tls*cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
armmbed_tls3.0.0cpe:2.3:a:arm:mbed_tls:3.0.0:-:*:*:*:*:*:*
armmbed_tls3.0.0cpe:2.3:a:arm:mbed_tls:3.0.0:preview1:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.004

Percentile

74.4%