9.8

CVE-2023-36049: microsoft microsoft .net framework 2.0 service pack 2 Improper Input Validation

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2023-36049GHSA-c3hf-8vgx-72rhBIT-dotnet-2023-36049
Published 14-11-2023Last modified 09-10-2025
Open JSON

Vulnerability summary

CVE-2023-36049 is a critical (CVSS 9.8) Improper Input Validation vulnerability in microsoft microsoft .net framework 2.0 service pack 2. EPSS estimates a 6.79% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
6.79%
0%100%
Low · -5.72 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 1
RHSA-2023:7253RHSA-2023:7254RHSA-2023:7255RHSA-2023:7256RHSA-2023:7257RHSA-2023:7258

Timeline

  1. 14-11-2023
    PublishedVulnerability first disclosed.
  2. 09-10-2025
    Last modifiedVulnerability information updated.

Description

.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

6.79%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

-5.72 pp

From 12.51% on 19-09-2026

19-09-202619-10-2026
EPSS score
6.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft22 products
Ubuntu2 products
  • dotnet6< 6.0.125-0ubuntu1~22.04.1
  • dotnet7< 7.0.114-0ubuntu1~22.04.1
NuGet1 product
  • System.Net.Requests≥ 8.0.0-rc.2.23480.2, < 8.0.0 | ≥ 6.0.0, < 6.0.25 | ≥ 7.0.0, < 7.0.14

3 vendors · 25 products

References

9 links