CVE-2025-0411KEV · OVERDUECWE-693

7-Zip Mark-of-the-Web Bypass Vulnerability

High · published January 25, 2025

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.0. It is confirmed in active exploitation. It sits in the 99.3th percentile for exploit probability.

604
days past CISA
deadline
CVSS v3.0
7.0
EPSS
67%
Percentile
99.3
In the wild
Confirmed
What it is

⚡ A crafty little flaw in 7-Zip lets attackers bypass the Mark-of-the-Web protection! Remote attackers can execute arbitrary code just by luring users into opening a malicious file. 😱 Think of 7-Zip like a digital safety deposit box, but when you extract files, it forgets to give you the security lock that tells you they might be dangerous. An attacker is like a con artist who cleverly hands over a fake key, allowing their trickery to slip through your defenses. If an unsuspecting user extracts a crafted archive, they could unwittingly unleash malware, allowing the attacker to seize control of their device. With arbitrary code execution in play, the possibilities are as alarming as they are numerous—data theft, system corruption, or even a full-blown ransomware attack could happen in a flash!

Put simply

Think of 7-Zip like a digital safety deposit box, but when you extract files, it forgets to give you the security lock that tells you they might be dangerous. An attacker is like a con artist who cleverly hands over a fake key, allowing their trickery to slip through your defenses. This vulnerability involves 7-Zip failing to apply the Mark-of-the-Web security feature to extracted files from a crafted archive, allowing attackers to execute malicious code in the context of the current user. Essentially, the mechanism meant to protect users from potentially harmful files isn't working as intended.

What to do

If an unsuspecting user extracts a crafted archive, they could unwittingly unleash malware, allowing the attacker to seize control of their device. With arbitrary code execution in play, the possibilities are as alarming as they are numerous—data theft, system corruption, or even a full-blown ransomware attack could happen in a flash! To protect yourself, ensure you update to the latest version of 7-Zip that addresses this vulnerability. It's also wise to only extract files from trusted sources and educate users about the risks of opening unknown files. Activate any additional security measures available to reinforce your defenses! You've got this! By taking these steps, you can secure your system and thwart those devious plans! 🛡️

The record
Technical detail
CVSS v3.0
7.0 · HIGH
Vector
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.67071 · 99.3th percentile
Weakness
CWE-693 · Protection Mechanism Failure
Published
2025-01-25T04:28Z
KEV added
2025-02-06 · due 2025-02-27
EPSS history
Timeline
  • 06 FEB 00:00Z
    Added to CISA KEV — remediate by Feb 27
    kev
  • 25 JAN 04:28Z
    7-Zip Mark-of-the-Web Bypass Vulnerability
    cvelistv5