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Fencer Vulns
high 8.8

CVE-2023-36560 json

ASP.NET Security Feature Bypass Vulnerability

published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-40506

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

ASP.NET Security Feature Bypass Vulnerability

Patch / fix

  • Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9206.0
  • Microsoft Microsoft .NET Framework 4.8 4.8.4682.0
  • Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.4682.0
  • Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.4076.0
  • Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 10.0.14393.6452
  • Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.4076.0
  • Microsoft Microsoft .NET Framework 4.6.2 4.7.4076.0
  • Microsoft Microsoft .NET Framework 3.5 AND 4.6/4.6.2 10.0.10240.20308
  • Microsoft Microsoft .NET Framework 2.0 Service Pack 2 3.0.50727.8975
  • Microsoft Microsoft .NET Framework 3.0 Service Pack 2 3.0.50727.8975
  • Microsoft Microsoft .NET Framework 3.5 3.0.50727.8975
  • Microsoft Microsoft .NET Framework 3.5.1 3.0.50727.8975

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

2.91% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Microsoft .NET Framework 3.5 AND 4.8.1
  • Microsoft Microsoft .NET Framework 4.8
  • Microsoft Microsoft .NET Framework 3.5 AND 4.8
  • Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
  • Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
  • Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
  • Microsoft Microsoft .NET Framework 4.6.2
  • Microsoft Microsoft .NET Framework 3.5 AND 4.6/4.6.2
  • Microsoft Microsoft .NET Framework 2.0 Service Pack 2
  • Microsoft Microsoft .NET Framework 3.0 Service Pack 2
  • Microsoft Microsoft .NET Framework 3.5
  • Microsoft Microsoft .NET Framework 3.5.1

References

Sources

Fencer Vulns 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.