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[email protected]NVD:CVE-2021-3773

HistoryFeb 16, 2022 - 7:15 p.m.

CVE-2021-3773

2022-02-1619:15:08

CWE-200

[email protected]

web.nvd.nist.gov

netfilter

network-connected attacker

openvpn connection

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

EPSS

0.006

Percentile

78.2%

JSON

A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.

Affected configurations

Nvd

Node

linuxlinux_kernelRange<5.14

linuxlinux_kernelRange5.15–5.15.15

Node

fedoraprojectfedoraMatch34

Node

redhatenterprise_linuxMatch6.0

redhatenterprise_linuxMatch7.0

redhatenterprise_linuxMatch8.0

Node

oraclecommunications_cloud_native_core_binding_support_functionMatch22.1.3

oraclecommunications_cloud_native_core_network_exposure_functionMatch22.1.1

oraclecommunications_cloud_native_core_policyMatch22.2.0

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
redhatenterprise_linux6.0cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
redhatenterprise_linux7.0cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
redhatenterprise_linux8.0cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_binding_support_function22.1.3cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_network_exposure_function22.1.1cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_policy22.2.0cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*
redhat	enterprise_linux	6.0	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
redhat	enterprise_linux	7.0	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
redhat	enterprise_linux	8.0	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
oracle	communications_cloud_native_core_binding_support_function	22.1.3	cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:::::::*
oracle	communications_cloud_native_core_network_exposure_function	22.1.1	cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:::::::*
oracle	communications_cloud_native_core_policy	22.2.0	cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:::::::*