MongoDB C# Driver may publish events containing authentication-related data to a command listener configured by an application
CVE-2021-20331

4.9MEDIUM

Key Information:

Vendor

MongoDB
Status
Mongodb C# Driver
Vendor
CVE Published:
13 May 2021

What is CVE-2021-20331?

Specific versions of the MongoDB C# Driver may erroneously publish events containing authentication-related data to a command listener configured by an application. The published events may contain security-sensitive data when commands such as "saslStart", "saslContinue", "isMaster", "createUser", and "updateUser" are executed. Without due care, an application may inadvertently expose this authenticated-related information, e.g., by writing it to a log file. This issue only arises if an application enables the command listener feature (this is not enabled by default). This issue affects the MongoDB C# Driver v2.12 versions prior to and including 2.12.1.

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Affected Version(s)

MongoDB C# Driver 2.12 <= 2.12.1

References

https://jira.mongodb.org/browse/CSHARP-3521
x_refsource_CONFIRM

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Citrix Systems, Inc.
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