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cve[email protected]CVE-2023-20519
HistoryNov 14, 2023 - 7:15 p.m.

CVE-2023-20519

2023-11-1419:15:15
CWE-416
web.nvd.nist.gov
22
cve-2023-20519
use-after-free
snp
vulnerability
hypervisor
guest integrity
nvd

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

7.2 High

AI Score

Confidence

Low

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

8.3%

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest’s migration agent resulting in a potential loss of guest integrity.

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

7.2 High

AI Score

Confidence

Low

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

8.3%

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