Is CVE-2018-20802 in the CISA KEV catalog?

No. CVE-2018-20802 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20802?

CVE-2018-20802 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-20802?

CVE-2018-20802 has an EPSS score of 1.46% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20802?

Upgrade mongodb on ubuntu 14.04 to 1:2.4.9-1ubuntu2+esm2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-20802

MEDIUMEPSS 70th pctl

6.5

CVSS v3

NVD

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.

CWE-394

How to fix

Remediation Available

mongodbUbuntu

Fixed in:1:2.4.9-1ubuntu2+esm2USN-8064-1

Fixed in:1:2.6.10-0ubuntu1+esm2USN-8064-1

Fixed in:1:3.6.3-0ubuntu1.4+esm1USN-8064-1

mongodb-serverUbuntu

Fixed in:1:2.4.9-1ubuntu2+esm2USN-8064-1

Fixed in:1:2.6.10-0ubuntu1+esm2USN-8064-1

Fixed in:1:3.6.3-0ubuntu1.4+esm1USN-8064-1

MongoDBWindows application

Affected:3.6.0 3.6.9Fixed in:3.6.9MongoDB Inc.

Affected:4.0.0 4.0.3Fixed in:4.0.3MongoDB Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.46%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Vendor Advisory1

jira.mongodb.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.