Vulnerability in Microsoft .Net Framework 2.0 Service Pack 2
CVE-2023-21722
.NET Framework Denial of Service Vulnerability
EPSS: 0.005 (67.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: 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.
Affected products
- Microsoft .Net Framework 2.0 Service Pack 2 — versions 2.0.0
- Microsoft .Net Framework 3.0 Service Pack 2 — versions 3.0.0
- Microsoft .Net Framework 3.5 — versions 3.5.0
- Microsoft .Net Framework 3.5.1 — versions 3.5.0
- Microsoft .Net Framework 3.5 And 4.6.2 — versions 4.7.0
- Microsoft .Net Framework 3.5 And 4.7.2 — versions 4.7.0
- Microsoft .Net Framework 3.5 And 4.8 — versions 4.8.0
- Microsoft .Net Framework 3.5 And 4.8.1 — versions 4.8.1
- Microsoft .Net Framework 4.6.2 — versions 4.7.0
- Microsoft .Net Framework 4.6.2/4.7/4.7.1/4.7.2 — versions 4.7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- .NET Framework Denial of Service Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2023-21722?
- CVE-2023-21722 is a medium-severity vulnerability in Microsoft .Net Framework 2.0 Service Pack 2, classified under Improper Link Resolution Before File Access. CVSS score: 5.0/10. Published 2023-02-14.
- How severe is CVE-2023-21722?
- Medium severity. CVSS v3 base score is 5.0 out of 10.
- Is CVE-2023-21722 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.