CVE-2023-36873 json
.NET Framework Spoofing Vulnerability
published 2023-08-08 3 y ago modified 2026-08-10 2 mo ago also EUVD-2023-40793
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
.NET Framework Spoofing Vulnerability
Patch / fix
- Microsoft Microsoft .NET Framework 3.5 and 4.6.2 10.0.10240.20107
- Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 10.0.14393.6167
- Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 3.5.04057.05
- Microsoft Microsoft .NET Framework 3.5 AND 4.8 3.5.4654.08
- Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 3.5.09176.01
- Microsoft Microsoft .NET Framework 4.6.2 4.7.04057.05
- Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04057.05
- Microsoft Microsoft .NET Framework 4.8 4.8.4654.06
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C |
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Microsoft Microsoft .NET Framework 3.5 and 4.6.2
- Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
- Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
- Microsoft Microsoft .NET Framework 3.5 AND 4.8
- Microsoft Microsoft .NET Framework 3.5 AND 4.8.1
- Microsoft Microsoft .NET Framework 4.6.2
- Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
- Microsoft Microsoft .NET Framework 4.8
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-36873
vendor-advisory, patch
Sources
- CVE List CVE-2023-36873
- NVD CVE-2023-36873
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.