CVE-2023-21722: microsoft microsoft .net framework 2.0 service pack 2 Link Following
CVSS: 5.0v3.1MediumModified
Published 14-02-2023Last modified 19-08-2026
Vulnerability summary
CVE-2023-21722 is a medium (CVSS 5.0) Link Following vulnerability in microsoft microsoft .net framework 2.0 service pack 2. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.5% of scored vulnerabilities.
CVSS score
5.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.92%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-02-2023PublishedVulnerability first disclosed.
- 19-08-2026Last modifiedVulnerability information updated.
Description
.NET Framework Denial of Service Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST5.0MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.92%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
0.00 pp
From 0.92% on 19-09-2026
19-09-202619-10-2026
EPSS score0.92%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft12 products
- microsoft .net framework 2.0 service pack 2≥ 2.0.0, < 2.0.50727.8966
- microsoft .net framework 3.0 service pack 2≥ 3.0.0, < 2.0.50727.8966
- microsoft .net framework 3.5≥ 3.5.0, < 3.5.50727.8966
- microsoft .net framework 3.5 and 4.6.2≥ 4.7.0, < 10.0.10240.19747
- microsoft .net framework 3.5 and 4.7.2≥ 4.7.0, < 10.0.04038.03
1 vendor · 12 products