CVE-2025-33027: bandizip (CVSS 6.1)

Description

In Bandisoft Bandizip through 7.37, there is a Mark-of-the-Web Bypass Vulnerability. This vulnerability allows attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of Bandizip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of archived files. When extracting files from a crafted archive that bears the Mark-of-the-Web, Bandizip does not propagate the Mark-of-the-Web to the extracted files. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current user. NOTE: this is disputed because Mark-of-the-Web propagation can increase risk via security-warning habituation, and because the intended control sphere for file-origin metadata (e.g., HostUrl in Zone.Identifier) may be narrower than that for reading the file's content.

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-830 CWE-830

CWE-829 CWE-829

Affected Products

Vendor	Product	Versions
bandisoft	bandizip	< 7.37

References

Other References

https://en.bandisoft.com/bandizip/ https://github.com/EnisAksu/Argonis/blob/main/CVEs/CVE-2025-33027%20%28Bandizip%29/CVE-2025-33027.md https://github.com/EnisAksu/Argonis/blob/main/CVEs/CVE-2025-33027%20%28Bandizip%29/CVE-2025-33027.md

Frequently Asked Questions

What is CVE-2025-33027? +

In Bandisoft Bandizip through 7.37, there is a Mark-of-the-Web Bypass Vulnerability. This vulnerability allows attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of Bandizip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of archived files. When extracting files from a crafted archive that bears the Mark-of-the-Web, Bandizip does not propagate the Mark-of-the-Web to the extracted files. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current user. NOTE: this is disputed because Mark-of-the-Web propagation can increase risk via security-warning habituation, and because the intended control sphere for file-origin metadata (e.g., HostUrl in Zone.Identifier) may be narrower than that for reading the file's content. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-33027? +

CVE-2025-33027 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-33027? +

CVE-2025-33027 affects products from bandisoft, specifically: bandizip. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-33027? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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