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HIGH · 8.8

CVE-2021-42839

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 arbitrar...

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ViceWebopac1.8.20160701

Related Weaknesses (CWE)

CWE-434

References

FAQ

What is CVE-2021-42839?

CVE-2021-42839 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 arbitrar...

How severe is CVE-2021-42839?

CVE-2021-42839 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42839?

Check the references section above for vendor advisories and patch information. Affected products include: Vice Webopac.