CVE-2023-21722
.NET Framework Denial of Service Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
.NET Framework Denial of Service Vulnerability
Timeline
ID reserved
By microsoft
- 2 months later
· 2 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Medium5.0 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Medium5.0 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.92% · top 40% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
Microsoft · Microsoft .NET Framework 2.0 Service Pack 2
- affected 2.0.0 – < 2.0.50727.8966
Microsoft · Microsoft .NET Framework 3.0 Service Pack 2
- affected 3.0.0 – < 2.0.50727.8966
Microsoft · Microsoft .NET Framework 3.5
- affected 3.5.0 – < 3.5.50727.8966
Microsoft · Microsoft .NET Framework 3.5 and 4.6.2
- affected 4.7.0 – < 10.0.10240.19747
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2
- affected 4.7.0 – < 10.0.04038.03
Microsoft · Microsoft .NET Framework 3.5 AND 4.8
- affected 4.8.0 – < 10.0.04614.06
Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1
- affected 4.8.1 – < 10.0.09139.02
Microsoft · Microsoft .NET Framework 3.5.1
- affected 3.5.0 – < 3.5.50727.8966
Microsoft · Microsoft .NET Framework 4.6.2
- affected 4.7.0 – < 4.7.04038.06
Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
- affected 4.7.0 – < 4.7.04614.08
Microsoft · Microsoft .NET Framework 4.8
- affected 4.8.0 – < 4.8.4614.08
References (1)
- .NET Framework Denial of Service Vulnerability (opens in a new tab)vendor-advisorypatchx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-21722)Record last updated .