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Exploited vulnerability · CISA KEV

Is CVE-2025-0411 exploited? Yes: in CISA KEV since 6 Feb 2025

Gociux · 7-Zip · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2025-0411, 7-Zip Mark of the Web Bypass Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 6 Feb 2025, 12 days after it was published. It affects 7-Zip. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 6 Feb 2025
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity7CVSS 3.0 · high
US federal due27 Feb 2025BOD 22-01 deadline

What it is

7-Zip contains a protection mechanism failure vulnerability that allows remote attackers to bypass the Mark-of-the-Web security feature to execute arbitrary code in the context of the current user.

Vendor7-Zip (1 exploited CVE in KEV)
Product7-Zip
Vulnerability7-Zip Mark of the Web Bypass Vulnerability
WeaknessCWE-693
Published25 Jan 2025
Added to KEV6 Feb 2025
Reported by (CNA)zdi

What to do

  1. Check whether you run it. Look for 7-Zip in your asset inventory, including appliances and cloud images. Stack check lists every exploited 7-Zip CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 25 Jan 2025.
  4. Get told next time. Email alerts when CISA adds a CVE for 7-Zip.

References

Questions

Is CVE-2025-0411 being exploited?

Yes. CISA added CVE-2025-0411 to the Known Exploited Vulnerabilities catalog on 6 Feb 2025, which means there is reliable evidence of exploitation in the wild.

Is CVE-2025-0411 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2025-0411?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check 7-Zip's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected 7-Zip and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in February 2025 · act-now radar.

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