What is the CVSS score of CVE-2023-39776?

CVE-2023-39776 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: 0.9%.

Ticket Support Script CVE-2023-39776

CRITICAL

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

2023-08-10 cve@mitre.org

RCE File Upload Ticket Support Script

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

Aug 10, 2023 - 15:15 nvd

CRITICAL 9.8

DescriptionNVD

A File Upload vulnerability in PHPJabbers Ticket Support Script v3.2 allows attackers to execute arbitrary code via uploading a crafted file.

AnalysisAI

A File Upload vulnerability in PHPJabbers Ticket Support Script v3.2 allows attackers to execute arbitrary code via uploading a crafted file. 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. A File Upload vulnerability in PHPJabbers Ticket Support Script v3.2 allows attackers to execute arbitrary code via uploading a crafted file. Affected products include: Phpjabbers Ticket Support Script.

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.