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CVE-2020-3956

46
FAUCET Score

CVE-2020-3956 is a code injection vulnerability in VMware Cloud Director versions 10.0.x, 9.7.0.x, 9.5.0.x, and 9.1.0.x, affecting Linux and Photon OS. An authenticated attacker can exploit this flaw through various interfaces to achieve arbitrary remote code execution. This vulnerability carries a high CVSS score of 8.8, indicating a network-based attack with low complexity and a severe impact on confidentiality, integrity, and availability. While not listed in CISA KEV, public exploit code exists (EDB-48540), and the vulnerability has garnered significant community discussion and media coverage, suggesting a high potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.5.0.0, < 9.5.0.6CPE matchmatch criteria
cpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*
>= 9.7.0.0, < 9.7.0.5CPE matchmatch criteria
cpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*
>= 10.0.0.0, < 10.0.0.2CPE matchmatch criteria
cpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*
>= 9.1.0.0, < 9.1.0.4CPE matchmatch criteria
cpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
21.10%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-48540 · Jun 2, 2020
This CVE's current EPSS score of 0.2110 is in the 96th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/157909/vCloud-Director-9.7.0.15498291-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
citadelo.com / en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956
ExploitThird Party Advisory
github.com / aaronsvk/CVE-2020-3956
ExploitThird Party Advisory
vmware.com / security/advisories/VMSA-2020-0010.html
Vendor Advisory