CVE-2021-41355
.NET Core and Visual Studio Information Disclosure Vulnerability
Severity Score
5.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
.NET Core and Visual Studio Information Disclosure Vulnerability
Una vulnerabilidad de Divulgación de Información en .NET Core y Visual Studio
A flaw was found in dotnet, where the System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if the Transport Layer Security (TLS) handshake fails. This flaw allows an attacker to intercept sensitive information. The highest threat from this vulnerability is to confidentiality.
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.208 and .NET Runtime 5.0.11.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-09-17 CVE Reserved
- 2021-10-13 CVE Published
- 2024-08-04 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-319: Cleartext Transmission of Sensitive Information
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://www.oracle.com/security-alerts/cpujan2022.html | Not Applicable |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355 | 2023-08-01 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-41355 | 2021-10-12 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2011487 | 2021-10-12 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | .net Search vendor "Microsoft" for product ".net" | 5.0 Search vendor "Microsoft" for product ".net" and version "5.0" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Powershell Search vendor "Microsoft" for product "Powershell" | >= 7.1 < 7.1.5 Search vendor "Microsoft" for product "Powershell" and version " >= 7.1 < 7.1.5" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Visual Studio 2019 Search vendor "Microsoft" for product "Visual Studio 2019" | >= 16.0 <= 16.11 Search vendor "Microsoft" for product "Visual Studio 2019" and version " >= 16.0 <= 16.11" | - |
Affected
| ||||||