{"id":"CVE-2020-3956","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-3956","generatedAt":"2026-10-27T22:31:30.665Z","title":"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.","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.","published":"2020-05-20T14:15:12.000Z","lastModified":"2026-06-17T03:19:20.000Z","status":"Modified","sourceIdentifier":"security@vmware.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-917"],"affected":["vmware/vcloud director"],"epss":{"score":0.211,"percentile":0.97561,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2020-06-02","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":48540,"kind":"exploit","title":"vCloud Director 9.7.0.15498291 - Remote Code Execution","url":"https://www.exploit-db.com/exploits/48540","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/48540.py","file":"exploits/linux/remote/48540.py","published":"2020-06-02","added":"2020-06-03","updated":"2020-06-03","author":"aaronsvk","type":"remote","platform":"linux","port":null,"verified":false,"codes":["CVE-2020-3956"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/aaronsvk/CVE-2020-3956/blob/da0b5c0b043f535d9de90c39f86f6825a567274a/exploit.py"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 21.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/157909/vCloud-Director-9.7.0.15498291-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@vmware.com"},{"url":"https://citadelo.com/en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956/","tags":["Exploit","Third Party Advisory"],"source":"security@vmware.com"},{"url":"https://github.com/aaronsvk/CVE-2020-3956","tags":["Exploit","Third Party Advisory"],"source":"security@vmware.com"},{"url":"https://www.vmware.com/security/advisories/VMSA-2020-0010.html","tags":["Vendor Advisory"],"source":"security@vmware.com"},{"url":"http://packetstormsecurity.com/files/157909/vCloud-Director-9.7.0.15498291-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://citadelo.com/en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/aaronsvk/CVE-2020-3956","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vmware.com/security/advisories/VMSA-2020-0010.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-3956","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}