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CVE-2025-0411: 7-Zip Mark of the Web Bypass Vulnerability

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-02-06
• EPSS: 67.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-25 · updated 2026-06-17
• Weakness: CWE-693

Description

7-Zip Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of 7-Zip. 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, 7-Zip 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. Was ZDI-CAN-25456.

Affected products

• 7-Zip: before 24.09 — fixed in 24.09
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions

How to fix

Upgrade to a fixed version: 7-Zip 24.09. Check the vendor advisory for mitigations.

References

• https://www.zerodayinitiative.com/advisories/ZDI-25-045/
• http://www.openwall.com/lists/oss-security/2025/01/24/6
• https://security.netapp.com/advisory/ntap-20250207-0005/
• https://www.vicarius.io/vsociety/posts/cve-2025-0411-7-zip-mitigation-vulnerability
• https://www.vicarius.io/vsociety/posts/cve-2025-0411-detection-7-zip-vulnerability
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-0411

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