What’s Vulnerable › Vulnerabilities
CVE-2020-3956
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 21.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-05-20 · updated 2026-06-17
- Weakness: CWE-917
Description
VMware Cloud Director 10.0.x before 10.0.0.2, 9.7.0.x before 9.7.0.5, 9.5.0.x before 9.5.0.6, and 9.1.0.x before 9.1.0.4 do not properly handle input leading to a code injection vulnerability. An authenticated actor may be able to send malicious traffic to VMware Cloud Director which may lead to arbitrary remote code execution. This vulnerability can be exploited through the HTML5- and Flex-based UIs, the API Explorer interface and API access.
Affected products
- VMware Cloud Director: from 9.5.0.0 before 9.5.0.6; from 9.7.0.0 before 9.7.0.5; from 10.0.0.0 before 10.0.0.2; from 9.1.0.0 before 9.1.0.4 — fixed in 10.0.0.2, 9.1.0.4, 9.5.0.6, 9.7.0.5
- VMware Cloud Director: VMware Cloud Director 10.0.x before 10.0.0.2, 9.7.0.x before 9.7.0.5, 9.5.0.x before 9.5.0.6, and 9.1.0.x before 9.1.0.4.
How to fix
Upgrade to a fixed version: VMware Cloud Director 10.0.0.2, 9.1.0.4, 9.5.0.6, 9.7.0.5. Check the vendor advisory for mitigations.
References
- http://packetstormsecurity.com/files/157909/vCloud-Director-9.7.0.15498291-Remote-Code-Execution.html
- https://citadelo.com/en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956/
- https://github.com/aaronsvk/CVE-2020-3956
- https://www.vmware.com/security/advisories/VMSA-2020-0010.html
- http://packetstormsecurity.com/files/157909/vCloud-Director-9.7.0.15498291-Remote-Code-Execution.html
- https://citadelo.com/en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956/
- https://github.com/aaronsvk/CVE-2020-3956
- https://www.vmware.com/security/advisories/VMSA-2020-0010.html
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