CVE-2019-2393 : A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use $lookup and collations. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13 and MongoDB Server v3.6 versions prior to 3.6.15.

Published 2020-11-23 16:15:13

Updated 2024-01-23 15:15:11

Source MongoDB, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Threat overview for CVE-2019-2393

Top countries where our scanners detected CVE-2019-2393

Top open port discovered on systems with this issue 27017

IPs affected by CVE-2019-2393 5,712

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-2393!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-2393

Probability of exploitation activity in the next 30 days: 0.07%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 28 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-2393

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:N/A:P	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	MongoDB, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2019-2393

CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
Assigned by:
- cna@mongodb.com (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2019-2393

https://jira.mongodb.org/browse/SERVER-43350

[SERVER-43350] The server crashes when trying to join collections ($ lookup with pipeline). - MongoDB
Issue Tracking;Vendor Advisory

Products affected by CVE-2019-2393