CVE-2023-34058
7.1 · HIGHOverview
CVE-2023-34058 is a high-severity vulnerability affecting vmware open_vm_tools. It was published on October 27, 2023 and has a CVSS 3.1 base score of 7.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
VMware Tools contains a SAML token signature bypass vulnerability. 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 .
Remediation
Check the references section for vendor advisories and patches from vmware. Update open_vm_tools to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| vmware | open_vm_tools | 11.0.0 | Affected |
| vmware | tools | >= 10.3.0, < 12.3.5 | Affected |
References
Frequently Asked Questions
What is CVE-2023-34058?
CVE-2023-34058 is a high-severity vulnerability affecting vmware open_vm_tools. It was published on October 27, 2023 and has a CVSS 3.1 base score of 7.1 (HIGH).
How severe is CVE-2023-34058?
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-34058?
Check the references section for vendor advisories and patches from vmware. Update open_vm_tools to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-34058?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-34058 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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