CVE-2020-7925

Denial of Service when processing malformed Role names

HIGH
7.5
CVSS Score
Published: November 23, 2020 at 02:50 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorMongoDB

Using MongoDB Server by MongoDB Inc.?

Get instant alerts when new vulnerabilities affect MongoDB Server - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Affected range stops below 4.2.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.0-rc12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMIssue TrackingVendor Advisory
https://jira.mongodb.org/browse/SERVER-49142

CVSS

7.5HIGHmongodb
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-475CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card