Skip to content
Fencer Intel
high 8.1

CVE-2024-21412 kev+ ransomware in the critical feed json

Internet Shortcut Files Security Feature Bypass Vulnerability

published 2y ago modified 3mo ago also EUVD-2024-19121

cvss
8.1
version 3.1, CNA
cisa kev
Exploited
added 2024-02-13, used in ransomware
epss
99.4%
EPSS 99.4% chance of exploitation in 30 days, percentile 99.9%
public exploits
0
none known

Summary

Internet Shortcut Files Security Feature Bypass Vulnerability

Patch / fix

cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  • Microsoft Windows 10 Version 1809 10.0.17763.5458
  • Microsoft Windows 10 Version 21H2 10.0.19044.4046
  • Microsoft Windows 10 Version 22H2 10.0.19045.4046
  • Microsoft Windows 11 version 21H2 10.0.22000.2777
  • Microsoft Windows 11 version 22H2 10.0.22621.3155
  • Microsoft Windows 11 version 22H3 10.0.22631.3155
  • Microsoft Windows 11 Version 23H2 10.0.22631.3155
  • Microsoft Windows Server 2019 10.0.17763.5458
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.5458
  • Microsoft Windows Server 2022 10.0.20348.2322
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.709

Is CVE-2024-21412 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. Added to CISA KEV
  2. Published
  3. CISA SSVC: exploitation active
  4. CISA patch deadline

Known exploited

Added
2y ago
Patch by
2024-03-05 (2y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Microsoft, Windows
CISA name
Microsoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability

Ransomware

Groups reported to have exploited it in intrusions.

  • TheGentlemen ransomware gang
  • DragonForce ransomware gang

reported by ransom-isac.comtrendmicro.com

Ransomware Vulnerability Matrix by BushidoUK (github.com/BushidoUK/Ransomware-Vulnerability-Matrix), reformatted per CVE. CC BY 4.0

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
2y ago

Exploit prediction

99.41% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 11 version 22H3
  • Microsoft Windows 11 Version 23H2
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

Classification

Weakness
  • CWE-693 Protection Mechanism Failure

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.