Vulnerability in Microsoft .Net Framework 2.0 Service Pack 2
CVE-2023-21722
.NET Framework Denial of Service Vulnerability
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (58.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
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
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722 (vendor-advisory, Patch, patch, 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.