CVE-2023-20867

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-20867

Confirmed

Yes

2023-06-23 00:00 UTC

Timestamps

2023-06-23

2023-06-23

Scope

KEV entry: VMware Tools Authentication Bypass Vulnerability | Affected: VMware / Tools | Description: VMware Tools contains an authentication bypass vulnerability in the vgauth module. A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine. An attacker must have root access over ESXi to exploit this vulnerability. | Required action: Apply updates per vendor instructions. | Due date: 2023-07-14 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.vmware.com/security/advisories/VMSA-2023-0013.html; https://nvd.nist.gov/vuln/detail/CVE-2023-20867

References
  • {'id': 'CVE-2023-20867', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-20867'}

15f47a66-9863-493d-8acc-e9eee11fe4ff

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-287"
  ],
  "date_added": "2023-06-23",
  "due_date": "2023-07-14",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Tools",
  "vendorProject": "VMware",
  "vulnerabilityName": "VMware Tools Authentication Bypass Vulnerability"
}
 -
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