What is CVE-2018-20805?

CVE-2018-20805 is a medium-severity vulnerability in Mongodb, classified under Excessive Iteration. CVSS score: 6.5/10. Published 2020-11-23.

How severe is CVE-2018-20805?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mongodb

CVE-2018-20805

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which perform an $elemMatch . This issue affects MongoDB Server v4.0 versions prior to 4.0.5 and MongoDB Server v3.6 versions prior to 3.6.10.

EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mongodb
Mongodb Inc. Server — versions 3.6, 4.0

Weakness classification (CWE)

CWE-834 — Excessive Iteration

References

cna@mongodb.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-20805?: CVE-2018-20805 is a medium-severity vulnerability in Mongodb, classified under Excessive Iteration. CVSS score: 6.5/10. Published 2020-11-23.
How severe is CVE-2018-20805?: Medium severity. CVSS v3 base score is 6.5 out of 10.