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TI-2020-06404 Aliases CVE-2020-7921GHSA-4jqr-h7hr-v5mg

Administrative action may disable enforcement of per-user IP whitelisting

Priority LOW 25CWE-182Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00665 52nd percentileScored 2026-11-07
Fix Partial MongoDB Server (MongoDB Inc.): 4.2.3, 4.0.15, 3.6.18 +1Red Hat: 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MongoDBMongoDB Server4.2 to before 4.2.3; 4.0 to before 4.0.15; 3.6 to before 3.6.18; 4.3 to before 4.3.34.2.3, 4.0.15, 3.6.18, 4.3.3Patch availableCNA
  • MongoDB Server VendorMongoDB Affected 4.2 to before 4.2.3; 4.0 to before 4.0.15; 3.6 to before 3.6.18; 4.3 to before 4.3.3 Fixed in 4.2.3, 4.0.15, 3.6.18, 4.3.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*3.6.0 to before 3.6.18; 4.0.0 to before 4.0.15; 4.2.0 to before 4.2.3; 4.3.0 to before 4.3.3VulnerableMongoDB
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:* Versions 3.6.0 to before 3.6.18; 4.0.0 to before 4.0.15; 4.2.0 to before 4.2.3; 4.3.0 to before 4.3.3 Vulnerable ·MongoDB

Remediation

  • Fix · CNA MongoDB Server (MongoDB Inc.) Fixed in 4.2.3, 4.0.15, 3.6.18, 4.3.3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenStack Platform 10 (Newton)AffectedNo fix planned: Out of support scope
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Not affected: 2 products
  • Red Hat Satellite 6
  • Red Hat Update Infrastructure 3 for Cloud Providers

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-7921
  2. 2026-10-03 Alias added: GHSA-4jqr-h7hr-v5mg

References

Patch 1

  • TI-2025-13542 Zlib compressed protocol header length confusion may allow memory read KEVCVSS 4.0HIGH 8.7
  • TI-2013-01669 MongoDB before 2.0.9 and 2.2.x before 2.2.4 does not properly validate requests to the… CVSS 2.0MEDIUM 6.0
  • TI-2026-56639 Uncontrolled Resource Consumption in MongoDB Sharded Cluster Router Allows Unauthenticated Denial of Service CVSS 4.0HIGH 8.7
  • TI-2026-56628 Reachable assertion in MongoDB Server CVSS 4.0HIGH 8.7
  • TI-2026-15322 Improper Input Validation in MongoDB Aggregation Framework Allows Unauthenticated Denial of Service on mongos CVSS 4.0HIGH 8.7
  • TI-2026-08537 Unbounded recursion in BSONColumn interleaved-reference causes pre-auth stack overflow CVSS 4.0HIGH 8.7
See all 187 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences