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redhatcveRedhat.comRH:CVE-2023-20900
HistorySep 01, 2023 - 7:42 p.m.

CVE-2023-20900

2023-09-0119:42:11
redhat.com
access.redhat.com
51
cve-2023-20900
saml token bypass
guest operation privileges
privilege escalation
guest alias

7.5 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.1%

An improper signature verification flaw was found in open-vm-tools that may lead to a bypass of SAML token signature. A malicious actor that has been granted Guest Operation Privileges in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias.

7.5 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.1%