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CVE-2020-7921

Administrative action may disable enforcement of per-user IP whitelisting

MEDIUM
5.3
CVSS Score
Published: May 6, 2020 at 02:55 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorMongoDB

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

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

MongoDB· MongoDB
95%
3.6 ≤ v < 3.6.183.6.0 ≤ v < 3.6.184.0 ≤ v < 4.0.154.0.0 ≤ v < 4.0.154.2 ≤ v < 4.2.34.2.0 ≤ v < 4.2.34.3 ≤ v < 4.3.34.3.0 ≤ v < 4.3.33.64.04.24.3
Affected range stops below 3.6.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.0.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.3.3, 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:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://jira.mongodb.org/browse/SERVER-45472

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-182CWE-863

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