Vulnerability · Published Nov 15, 2021 · Assigned by twcert
CVE-2021-42839Grand Vice info Co. webopac7 - Arbitrary File Upload
High 8.8
In plain English
A high-severity unrestricted file upload in webopac7 from Grand Vice info Co.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)2.4%top 15.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Grand Vice info Co. | webopac7 | 7.1.201607011.8.20160701 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html x_refsource_MISC