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MitreCVE-2021-46873

HistoryJan 29, 2023 - 11:15 p.m.

CVE-2021-46873

2023-01-2923:15:08

mitre

web.nvd.nist.gov

cve-2021-46873

wireguard

windows

ntp

key vulnerability

system time manipulation

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

WireGuard, such as WireGuard 0.5.3 on Windows, does not fully account for the possibility that an adversary might be able to set a victim’s system time to a future value, e.g., because unauthenticated NTP is used. This can lead to an outcome in which one static private key becomes permanently useless.

Affected configurations

Nvd

Node

microsoftwindowsMatch-

AND

wireguardwireguardMatch0.5.3

VendorProductVersionCPE
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
wireguardwireguard0.5.3cpe:2.3:a:wireguard:wireguard:0.5.3:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*
wireguard	wireguard	0.5.3	cpe:2.3:a:wireguard:wireguard:0.5.3:::::::*

References

lists.zx2c4.com/pipermail/wireguard/2021-August/006916.html

Social References

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

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