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Fencer Intel
critical 9.8

CVE-2022-21907 in the critical feed json

HTTP Protocol Stack Remote Code Execution Vulnerability

published 4y ago modified 4mo ago also EUVD-2022-27063

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
92.8%
EPSS 92.8% chance of exploitation in 30 days, percentile 99.8%
public exploits
1
Exploit-DB

Summary

HTTP Protocol Stack Remote Code Execution Vulnerability

Patch / fix

  • Microsoft Windows 10 Version 1809 10.0.17763.2452
  • Microsoft Windows Server 2019 10.0.17763.2452
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.2452
  • Microsoft Windows 10 Version 21H1 10.0.19043.1466
  • Microsoft Windows Server 2022 10.0.20348.469
  • Microsoft Windows 10 Version 20H2 10.0.19042.1466
  • Microsoft Windows Server version 20H2 10.0.19042.1466
  • Microsoft Windows 11 version 21H2 10.0.22000.434
  • Microsoft Windows 10 Version 21H2 10.0.19044.1466

Is CVE-2022-21907 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.

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Timeline

  1. Published
  2. First public exploit (EDB-51575)

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

92.79% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-51575 Windows 10 v21H1 - HTTP Protocol Stack Remote Code Execution remote, 2023-07-07

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows 10 Version 21H1
  • Microsoft Windows Server 2022
  • Microsoft Windows 10 Version 20H2
  • Microsoft Windows Server version 20H2
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2

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.