CVE-2021-26626

Name: CVE-2021-26626
Creator: NVD / NIST
Published: 2022-04-19T21:15:12.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.17%

Last modified Jun 17, 2026

CVE-2021-26626 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Improper input validation vulnerability in XPLATFORM's execBrowser method can cause execute arbitrary commands. IF the second parameter value of the execBrowser function is ‘default’, the first parameter value could be passed to the ShellExecuteW API. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

Improper input validation vulnerability in XPLATFORM's execBrowser method can cause execute arbitrary commands. IF the second parameter value of the execBrowser function is ‘default’, the first parameter value could be passed to the ShellExecuteW API. The passed parameter is an arbitrary code to be executed. Remote attackers can use this vulnerability to execute arbitrary remote code.

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

1.17%

63.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tobesoft	Xplatform	< 9.2.2.280

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66662Third Party Advisory
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66662Third Party Advisory

Timeline

Published: Apr 19, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26626?

How severe is CVE-2021-26626?

CVE-2021-26626 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26626?

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-2021-26626?

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

Scan your code now

Source: NVD / NIST