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ASP.NET and Visual Studio

CVE-2023-33170 — ASP.NET and Visual Studio Security Feature Bypass Vulnerability

Important CVSS 8.1 EPSS 0.01913 2023-07 archive

Executive Summary

None

Overview

8.1
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Security Feature Bypass
Released Jul 11 2023
Last Updated Jul 11 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01913 — 0.77141 percentile
NVD CVSS 8.1 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.3

EPSS Score

0.01913
probability of exploitation in the next 30 days
0.77141 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

6 affected products
Product KB Article Severity Impact Restart Required
.NET 6.0 5028705 (Security Update) Important Security Feature Bypass Maybe
.NET 7.0 5028706 (Security Update) Important Security Feature Bypass Maybe
Microsoft Visual Studio 2022 version 17.0 Release Notes (Security Update) Important Security Feature Bypass Maybe
Microsoft Visual Studio 2022 version 17.2 Release Notes (Security Update) Important Security Feature Bypass Maybe
Microsoft Visual Studio 2022 version 17.4 Release Notes (Security Update) Important Security Feature Bypass Maybe
Microsoft Visual Studio 2022 version 17.6 Release Notes (Security Update) Important Security Feature Bypass Maybe

Patches

3 patches
Article Type Restart
5028705 Security Update Maybe
5028706 Security Update Maybe
Release Notes Security Update Maybe

Known Exploits

On This Page