Is CVE-2020-7921 actively exploited?

No active exploitation of CVE-2020-7921 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-7921 be exploited remotely?

Yes. CVE-2020-7921 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-7921?

CVE-2020-7921 has a CVSS score of 5.3 (MEDIUM).

HOME VULNERABILITIESCVE-2020-7921

MEDIUM

CVE-2020-7921

CWE-182Published: May 6, 2020· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2020-7921 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.3.