CVE-2020-7929 | BDVDB-2026-149792 Detail

MongoDBMongoDB Server

Description#

A user authorized to perform database queries may trigger denial of service by issuing specially crafted query contain a type of regex. This issue affects MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-185 Incorrect Regular Expression

References#

https://jira.mongodb.org/browse/SERVER-51083

Exploit#

No public exploit known

History#

Version 12021-03-01Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2021-03-01
Last modified: 2024-09-16

Vendor information

Vendor: MongoDB
Product: MongoDB Server

All MongoDB vulnerabilities

Score

6.5 Medium

EPSS

1.3%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 70.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 3.6 and < 3.6.21
Fixed
3.6.21
Vulnerable
>= 4.0 and < 4.0.20
Fixed
4.0.20

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).