CVE-2018-20802
MEDIUMEPSS 71th pctlDescription
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 to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
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
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
Elevated risk: more likely to be exploited than 71% of all known CVEs.
References
Related Vulnerabilities
Other CWE-394 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-0066 | High | 7.5 | 1.4% | - | - |
| CVE-2019-20924 | Medium | 6.5 | 1.3% | - | Fix |
| CVE-2022-24880 | Medium | 5.3 | 1.2% | - | Fix |
| CVE-2023-48429 | Low | 2.7 | 0.6% | - | Fix |
| CVE-2023-25948 | High | 7.5 | 0.6% | - | - |
| CVE-2024-1713 | High | 7.2 | 0.5% | - | - |
Common questions
How do I fix CVE-2018-20802?
Published advisories record a fix for 3 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.
Is CVE-2018-20802 being actively exploited?
Not that we know of. CVE-2018-20802 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 71% of all scored CVEs.
How severe is CVE-2018-20802?
CVE-2018-20802 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2018-20802 affect?
Published advisories record a fix for mongodb (Ubuntu), mongodb-server (Ubuntu), MongoDB (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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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.