CVE-2023-20900
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 .
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.26% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-294
- Affected
- vmware/tools · vmware/open vm tools · fedoraproject/fedora · debian/debian linux · netapp/ontap select deploy administration utility
- Source
- security@vmware.com
References
- http://www.openwall.com/lists/oss-security/2023/08/31/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/27/1Mailing List, Patch
- https://lists.debian.org/debian-lts-announce/2023/10/msg00000.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/Mailing List
- https://security.netapp.com/advisory/ntap-20231013-0002/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5493Third Party Advisory
- https://www.vmware.com/security/advisories/VMSA-2023-0019.htmlPatch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2023/08/31/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/27/1Mailing List, Patch
- https://lists.debian.org/debian-lts-announce/2023/10/msg00000.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/Mailing List
- https://security.netapp.com/advisory/ntap-20231013-0002/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5493Third Party Advisory
- https://www.vmware.com/security/advisories/VMSA-2023-0019.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.