What is the CVSS score of CVE-2021-32538?

CVE-2021-32538 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: 2.0%.

Artware Cms CVE-2021-32538

CRITICAL

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

2021-07-07 twcert@cert.org.tw

File Upload Artware Cms

9.8

CVSS 3.1 · Vendor: cert

Severity by source

Vendor (cert) PRIMARY

9.8 CRITICAL

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

Primary rating from Vendor (cert) · only source for this CVE.

CVSS VectorVendor: cert

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

Jul 07, 2021 - 14:15 cve.org

CRITICAL 9.8

DescriptionCVE.org

AnalysisAI

ARTWARE CMS parameter of image upload function does not filter the type of upload files which allows remote attackers can upload arbitrary files without logging in, and further execute code. 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. ARTWARE CMS parameter of image upload function does not filter the type of upload files which allows remote attackers can upload arbitrary files without logging in, and further execute code unrestrictedly. Affected products include: Artware Cms Project Artware Cms.

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.