What is the CVSS score of CVE-2019-12811?

CVE-2019-12811 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.2%.

Mybuilder CVE-2019-12811

CRITICAL

OS Command Injection (CWE-78)

2019-10-07 vuln@krcert.or.kr

RCE Command Injection Mybuilder

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 07, 2019 - 15:15 nvd

CRITICAL 9.8

DescriptionNVD

ActiveX Control in MyBuilder before 6.2.2019.814 allow an attacker to execute arbitrary command via the ShellOpen method. This can be leveraged for code execution

AnalysisAI

ActiveX Control in MyBuilder before 6.2.2019.814 allow an attacker to execute arbitrary command via the ShellOpen method. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. ActiveX Control in MyBuilder before 6.2.2019.814 allow an attacker to execute arbitrary command via the ShellOpen method. This can be leveraged for code execution Affected products include: Activesoft Mybuilder. Version information: before 6.2.2019.814.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.