CVE-2020-7863

Name: CVE-2020-7863
Creator: NVD / NIST
Published: 2021-08-05T21:15:09.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.48%

Last modified Jun 17, 2026

CVE-2020-7863 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in File Transfer Solution of Raonwiz could allow arbitrary command execution as the result of viewing a specially-crafted web page. This vulnerability is due to insufficient validation of the parameter of the specific method. EPSS estimates a 1.48% chance of exploitation in the next 30 days.

Description

A vulnerability in File Transfer Solution of Raonwiz could allow arbitrary command execution as the result of viewing a specially-crafted web page. This vulnerability is due to insufficient validation of the parameter of the specific method. An attacker could exploit this vulnerability by setting the parameter to the command they want to execute. A successful exploit could allow the attacker to execute arbitrary commands on a target system as the user. However, the victim must run the Internet Explorer browser with administrator privileges because of the cross-domain policy.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.48%

70.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Raonwiz	Raon K Upload	< 2018.0.2.56

References

http://www.raonk.com/page/customs/modify.aspx?pSeq=20&pageno=1Vendor Advisory
https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36166Third Party Advisory
http://www.raonk.com/page/customs/modify.aspx?pSeq=20&pageno=1Vendor Advisory
https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36166Third Party Advisory

Timeline

Published: Aug 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7863?

How severe is CVE-2020-7863?

CVE-2020-7863 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7863?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7863?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST