CVE-2023-34058 (GCVE-0-2023-34058)
Vulnerability from cvelistv5 – Published: 2023-10-27 04:53 – Updated: 2025-03-06 15:40
VLAI
EPSS
VEX
Summary
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 .
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-06 15:26 UTC
CWE
- SAML Token Signature Bypass vulnerability
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | VMware Tools |
Affected:
12.x.x
Affected: 11.x.x Affected: 10.3.x |
||
| n/a | open-vm-tools |
Affected:
11.0.0 , ≤ 12.3.0
(custom)
|
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"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T13:47:04+00:00",
"cve": "CVE-2023-34058",
"id": "CVE-2023-34058",
"initial_release_date": "2023-10-26T00:00:00+00:00",
"product_status:fixed": "182",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "open-vm-tools: SAML token signature bypass",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-34058.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-22T02:01:25Z",
"cve": "CVE-2023-34058",
"id": "CVE-2023-34058",
"initial_release_date": "2025-02-14T06:24:28Z",
"product_status:recommended": "342",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-34058",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-34058.json",
"version": "21"
},
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https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html \\u00a0in 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 .\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"VMware Tools contains a SAML token signature bypass vulnerability.\u0026nbsp;A malicious actor that has been granted \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html\\\"\u003eGuest Operation Privileges\u003c/a\u003e\u0026nbsp;in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html\\\"\u003eGuest Alias\u003c/a\u003e.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"SAML Token Signature Bypass vulnerability\"}]}], \"providerMetadata\": {\"orgId\": \"dcf2e128-44bd-42ed-91e8-88f912c1401d\", \"shortName\": \"vmware\", \"dateUpdated\": \"2023-11-17T04:34:05.439Z\"}}}",
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"dataType": "CVE_RECORD",
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}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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