What is the CVSS score of CVE-2020-3956?

CVE-2020-3956 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 21.1%.

Is there a public PoC exploit available for CVE-2020-3956?

Yes, a public proof-of-concept exploit is available for CVE-2020-3956. Prioritise patching immediately. EPSS: 21.1%.

Vcloud Director CVE-2020-3956

HIGH

Improper Neutralization of Special Elements used in an Expression Language Statement (CWE-917)

2020-05-20 security@vmware.com

RCE VMware Vcloud Director

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 20, 2020 - 14:15 nvd

HIGH 8.8

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-917. 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 include: Vmware Vcloud Director. Version information: before 10.0.0.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.