CVE-2021-42839 | BDVDB-2026-164385 Detail

Grand Vice info Co.webopac7

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-434 Unrestricted Upload of File with Dangerous Type

References#

https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html

Exploit#

No public exploit known

History#

Version 12021-11-15Record published in the CVE List.
Version 22024-09-17Most recent update recorded in the CVE List.

Published

Published: 2021-11-15
Last modified: 2024-09-17

Vendor information

Vendor: Grand Vice info Co.
Product: webopac7

All Grand Vice info Co. vulnerabilities

Score

8.8 High

EPSS

2.4%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 84.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Unrestricted File Upload

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
7.1.20160701
Fixed
Not stated
Vulnerable
1.8.20160701
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).