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CVE-2019-2386

Authorization session conflation

HIGH
7.1
CVSS Score
Published: August 6, 2019 at 06:32 PM UTC
Updated: June 17, 2026 at 02:33 AM UTC
1 product affected across 1 vendorMongoDB

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Severity
HIGH7.1
Exploit prediction
EPSS 1%

Description

After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22. Workaround: After deleting one or more users, restart any nodes which may have had active user authorization sessions. Refrain from creating user accounts with the same name as previously deleted accounts.

Affected

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

MongoDB· MongoDB
95%
3.4 ≤ v < 3.4.223.4.0 ≤ v < 3.4.223.6 ≤ v < 3.6.133.6.0 ≤ v < 3.6.134.0 ≤ v < 4.0.94.0.0 ≤ v < 4.0.93.43.64.0
Affected range stops below 3.4.22, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.6.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.0.9, 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 (2)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://jira.mongodb.org/browse/SERVER-38984
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0829

CVSS

7.1HIGHmongodb
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-285CWE-613

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