Vulnerability Report

CVE-2020-7921

Title: Mongodb Mongodb

Other

Proof Of Concept

No public PoC currently indexed for CVE-2020-7921.

CWE Category CWE-863

Published Date May 06, 2020

Modified Date Feb 23, 2026

Exploit Status Not Found

Score 4.6 CVSS v3.1

Exploit Probability (EPSS)

0.18%

Vulnerability Summary

CVE-2020-7921: Improper serialization of internal state in the authorization subsystem in MongoDB Server'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.

Impacted Vendors

mongodb 1

anynines 1

Reference Links

https://jira.mongodb.org/browse/SERVER-45472 https://jira.mongodb.org/browse/SERVER-45472

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.6

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.3

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:S/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-7921 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

February 23, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

May 06, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


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

Affected Stack

No specific products linked.