Background exploitation KEV catalog
CVE-2020-4006

Multiple VMware Products Command Injection Vulnerability

VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerability.

CheckOps priority index
6.0/10 Patch within 7 days
Severity9.1
Probability1.7
Exploitation3/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 17.3% higher than 97.1% of CVEs
CVSS 3.1 9.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:
Exploited for 1,826 days 03 Nov 2021
CISA due date 03 May 2022 for US federal agencies

Exploitation probability EPSS · FIRST

05010026 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 3 / 5

  • KEV catalog (CISA)03 Nov 2021
  • Exploited in EUVD (ENISA)03 Nov 2021
  • Used by ransomwareno
  • EPSS above 10 %17.3%
  • No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

VMware Workspace One Access (Access), VMware Workspace One Access Connector (Access Connector), VMware Identity Manager (vIDM), VMware Identity Manager Connector (vIDM Connector), VMware Cloud Foundation, vRealize Suite Lifecycle ManagerMultiple Products
Affected versions
  • Multiple
Weaknesses (CWE)

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

  5. EPSS peak: 17.3%

References

Other exploited vulnerabilities from the same vendor

  • CVE-2025-22226VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability
    4.1 · Background exploitation
  • CVE-2025-22225VMware ESXi Arbitrary Write Vulnerability
    5.1 · Background exploitation
  • CVE-2025-22224VMware ESXi and Workstation TOCTOU Race Condition Vulnerability
    5.0 · Background exploitation
  • CVE-2024-38813VMware vCenter Server Privilege Escalation Vulnerability
    5.3 · Background exploitation
  • CVE-2024-38812VMware vCenter Server Heap-Based Buffer Overflow Vulnerability
    8.0 · Background exploitation
  • CVE-2024-37085VMware ESXi Authentication Bypass Vulnerability
    5.9 · Background exploitation

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities