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CVE-2018-20802

MEDIUMCVSS 6.5/10EPSS 1.46%

Last modified

CVE-2018-20802 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting QueryPlanner. This issue affects MongoDB Server v3.6 versions prior to 3.6.9 and MongoDB Server v4.0 versions prior to 4.0.3.. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting QueryPlanner. This issue affects MongoDB Server v3.6 versions prior to 3.6.9 and MongoDB Server v4.0 versions prior to 4.0.3.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.46%

70.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MongodbMongodb>= 3.6.0, < 3.6.9
MongodbMongodb>= 4.0.0, < 4.0.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-20802?
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting QueryPlanner. This issue affects MongoDB Server v3.6 versions prior to 3.6.9 and MongoDB Server v4.0 versions prior to 4.0.3.
How severe is CVE-2018-20802?
CVE-2018-20802 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20802?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20802?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST