What is the CVSS score of CVE-2019-11031?

CVE-2019-11031 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.9%.

Mirasys Vms CVE-2019-11031

CRITICAL

Unrestricted Upload of File with Dangerous Type (CWE-434)

2019-08-22 cve@mitre.org

File Upload Mirasys Vms

9.8

CVSS 3.0 · 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:3.0/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

Aug 22, 2019 - 15:15 nvd

CRITICAL 9.8

DescriptionNVD

Mirasys VMS before V7.6.1 and 8.x before V8.3.2 mishandles the auto-update feature of IDVRUpdateService2 in DVRServer.exe. An attacker can upload files with a Setup-Files action, and then execute these files with SYSTEM privileges.

AnalysisAI

Mirasys VMS before V7.6.1 and 8.x before V8.3.2 mishandles the auto-update feature of IDVRUpdateService2 in DVRServer.exe. 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 Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Mirasys VMS before V7.6.1 and 8.x before V8.3.2 mishandles the auto-update feature of IDVRUpdateService2 in DVRServer.exe. An attacker can upload files with a Setup-Files action, and then execute these files with SYSTEM privileges. Affected products include: Mirasys Mirasys Vms.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.