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VULNERABILITIES

CVE-2021-42839 Details

Description

Grand Vice info Co. webopac7 file upload function fails to filter special characters. While logging in with general user’s permission, remote attackers can upload malicious script and execute arbitrary code to control the system or interrupt services.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html CVEThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-434Unrestricted Upload of File with Dangerous Type[email protected]

Affected Products

ProductVersions
vice webopac
1.8.20160701
7.1.20160701

CPE

  • cpe:2.3:a:vice:webopac:1.8.20160701:*:*:*:*:*:*:*
  • cpe:2.3:a:vice:webopac:7.1.20160701:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-42839
NVD Published Date:
Nov 15, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-42839 Details - Not Deferred