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mscveMicrosoftMS:CVE-2023-50387
HistoryFeb 13, 2024 - 8:00 a.m.

MITRE: CVE-2023-50387 DNSSEC verification complexity can be exploited to exhaust CPU resources and stall DNS resolvers

2024-02-1308:00:00
Microsoft
msrc.microsoft.com
70
mitre
cve-2023-50387
dnssec
verification
exploit
cpu resources
dns resolvers
microsoft

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

Low

0.05 Low

EPSS

Percentile

92.9%

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

Low

0.05 Low

EPSS

Percentile

92.9%