CVE-2023-21722
.NET Framework Denial of Service Vulnerability
5.0 Medium
.NET Framework Denial of Service Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
0.92%Unchanged since Feb 15, 2023
What each source reports
CVE List Score used
.NET Framework Denial of Service Vulnerability
.NET Framework Denial of Service Vulnerability
- Record
CVE-2023-21722- CVSS 3.1
- 5.0 Medium
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 - Weakness
- CWE-59
- Updated
- 2026-11-02
EUVDEUVD-2023-25889
.NET Framework Denial of Service Vulnerability
- Record
EUVD-2023-25889- CVSS 3.1
- 5.0 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xp67-pj6p-rpvg
.NET Framework Denial of Service Vulnerability
.NET Framework Denial of Service Vulnerability
- Record
GHSA-xp67-pj6p-rpvg- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
NVD
.NET Framework Denial of Service Vulnerability
- Record
CVE-2023-21722- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
Affected products
- microsoft .net framework
- microsoft .net framework 2.0 service pack 2
- microsoft .net framework 3.0 service pack 2
- microsoft .net framework 3.5
- microsoft .net framework 3.5 and 4.6.2
- microsoft .net framework 3.5 and 4.7.2
- microsoft .net framework 3.5 and 4.8
- microsoft .net framework 3.5 and 4.8.1
- microsoft .net framework 3.5.1
- microsoft .net framework 4.6.2
- microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2
- microsoft .net framework 4.8
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21722 is a medium vulnerability (CVSS 5.0) in Microsoft .net Framework, published February 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.