CVE-2020-7921

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

06/05/2020

Last modified:

23/02/2026

Description

Improper serialization of internal state in the authorization subsystem in MongoDB Server&#39;s authorization subsystem permits a user with valid credentials to bypass IP whitelisting protection mechanisms following administrative action. This issue affects MongoDB Server v4.2 versions prior to 4.2.3; MongoDB Server v4.0 versions prior to 4.0.15; MongoDB Server v4.3 versions prior to 4.3.3and MongoDB Server v3.6 versions prior to 3.6.18.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

4.60

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

3.50

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mongodb:mongodb::::::::	3.6.0 (including)	3.6.18 (excluding)
cpe:2.3:a:mongodb:mongodb::::::::	4.0.0 (including)	4.0.15 (excluding)
cpe:2.3:a:mongodb:mongodb::::::::	4.2.0 (including)	4.2.3 (excluding)
cpe:2.3:a:mongodb:mongodb::::::::	4.3.0 (including)	4.3.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-7921

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools