CVE-2021-26623

Name: CVE-2021-26623
Creator: NVD / NIST
Published: 2022-04-01T23:15:09.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2021-26623 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote code execution vulnerability due to incomplete check for 'xheader_decode_path_record' function's parameter length value in the ark library. Remote attackers can induce exploit malicious code using this function.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability due to incomplete check for 'xheader_decode_path_record' function's parameter length value in the ark library. Remote attackers can induce exploit malicious code using this function.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.06%

60.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Bandisoft	Bandizip	< 7.19

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66595Third Party Advisory
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66595Third Party Advisory

Timeline

Published: Apr 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26623?

How severe is CVE-2021-26623?

CVE-2021-26623 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26623?

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-2021-26623?

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

Scan your code now

Source: NVD / NIST