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CVE-2023-20900

Date: August 31, 2023

A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html 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 https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html .

Severity Score

7.5

Related Resources (12)

Url: https://www.debian.org/security/2023/dsa-5493

Url: https://security-tracker.debian.org/tracker/CVE-2023-20900

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/

Url: https://security.netapp.com/advisory/ntap-20231013-0002/

Url: https://www.vmware.com/security/advisories/VMSA-2023-0019.html

Url: http://www.openwall.com/lists/oss-security/2023/08/31/1

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/

Url: https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html

Url: http://www.openwall.com/lists/oss-security/2023/10/27/1

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-20900

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/

Url: https://www.mend.io/vulnerability-database/CVE-2023-20900

Severity Score

7.5

Weakness Type (CWE)

Authentication Bypass by Capture-replay

CWE-294

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	ADJACENT_NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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