CVE-2020-3956

mediumpriority · attend · 52EPSS 0.211 · 98 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

21.1% (98th) EPSS

CVSS 6.5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-917USprimaryCWE-74US

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-48540vCloud Director 9.7.0.15498291 - Remote Code ExecutionPoC · exploit_db
aaronsvk/CVE-2020-3956PoC exploit for VMware Cloud Director RCE (CVE-2020-3956)PoC · poc_in_github

affected products (8)

Products and version ranges known to be affected.

n/a 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.enisa_euvdEU
Broadcom Inc. VMware Cloud Director10.0.0.0 → 10.0.0.2fstec_bduRU
Broadcom Inc. VMware Cloud Director9.5.0.0 → 9.5.0.6fstec_bduRU
Broadcom Inc. VMware Cloud Director9.7.0.0 → 9.7.0.5fstec_bduRU
vmware vcloud director10.0.0.0 → 10.0.0.2nvdUScpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*
vmware vcloud director9.1.0.0 → 9.1.0.4nvdUScpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*
vmware vcloud director9.5.0.0 → 9.5.0.6nvdUScpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*
vmware vcloud director9.7.0.0 → 9.7.0.5nvdUScpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-05-20modified 2026-06-17

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+249 more

references (16)

External citations — patches, advisories, analysis.

scry

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