MongoDB Server up to 6.0.20/7.0.16/8.0.3 SBE Engine use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in MongoDB Server up to 6.0.20/7.0.16/8.0.3. The affected element is an unknown function of the component SBE Engine. The manipulation leads to use after free. This vulnerability is traded as CVE-2025-6706. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MongoDB Server up to 6.0.20/7.0.16/8.0.3 and classified as critical. This issue affects an unknown functionality of the component SBE Engine. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An authenticated user may trigger a use after free that may result in MongoDB Server crash and other unexpected behavior, even if the user does not have authorization to shut down a server. The crash is triggered on affected versions by issuing an aggregation framework operation using a specific combination of rarely-used aggregation pipeline expressions. This issue affects MongoDB Server v6.0 version prior to 6.0.21, MongoDB Server v7.0 version prior to 7.0.17 and MongoDB Server v8.0 version prior to 8.0.4 when the SBE engine is enabled.

It is possible to read the advisory at jira.mongodb.org. The identification of this vulnerability is CVE-2025-6706 since 06/26/2025. The exploitation is known to be difficult. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 243058 (MongoDB 6.0.x < 6.0.21 / 7.0.x < 7.0.17 / 8.0.x < 8.0.4 Unexpected Behavior (SERVER-106746)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.0.21, 7.0.17 or 8.0.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (243058) and EUVD (EUVD-2025-19177). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 5.0
CNA Vector (mongodb): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 243058
Nessus Name: MongoDB 6.0.x < 6.0.21 / 7.0.x < 7.0.17 / 8.0.x < 8.0.4 Unexpected Behavior (SERVER-106746)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Server 6.0.21/7.0.17/8.0.4

Timelineinfo

06/26/2025 Advisory disclosed
06/26/2025 +0 days CVE reserved
06/26/2025 +0 days VulDB entry created
09/15/2025 +81 days VulDB entry last update

Sourcesinfo

Advisory: jira.mongodb.org
Status: Confirmed

CVE: CVE-2025-6706 (🔒)
GCVE (CVE): GCVE-0-2025-6706
GCVE (VulDB): GCVE-100-313979
EUVD: 🔒

Entryinfo

Created: 06/26/2025 16:28
Updated: 09/15/2025 17:43
Changes: 06/26/2025 16:28 (65), 06/27/2025 04:52 (1), 07/30/2025 20:51 (2), 09/15/2025 17:43 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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